Legendary Arena

The Legendary Arena (Japanese: レジェンドバトル Legend Battle) is a special battle area in Pokémon Masters EX. Introduced in Version 1.10.5, it features battles against a boss Legendary Pokémon. The player can battle the boss with multiple teams using up to 30 sync pairs. Sync pairs that have participated once cannot be used in a team again. The boss has three HP bars and its attack pattern, moves, and passive skills change with each bar. The boss's HP and status conditions are carried over between battles.

Legendary Arena

The player is able to reset their progress at any point. This will reset the current challenge status, and hence reset the opponent's HP and status conditions, as well as any sync pairs used. The player's progress is also automatically reset after a week has elapsed since the last attempt.

Arena rewards are given when the player depletes one of the boss's HP bars to 0; repeatable General rewards consist of one 1★ Level-Up Manual per HP bar. Medals can also be earned by completing specific missions.

Starting from September 8, 2022, all of the battles are permanently available.

Legendary Arena: Entei

Entei was the first Legendary Arena boss Pokémon and could be battled from June 11 to 25, 2020, October 5 to 17, 2020, January 14 to February 1, 2021, June 9 to 23, 2021, and October 4 to 18, 2021. It could also be battled in the Legendary Gauntlet from January 20 to February 2, 2022 and July 25 to August 19, 2022.

It is weak to Water-type moves. Entei sets permanent field effects, such as Physical/Special Damage Reduction, during the fight. It will also raise its critical-hit rate which can't be lowered due to Steady Aim passive skill.

Some of Entei's notable passive skills are:
Bar 3:
Piercing Gaze: moves never miss.
Hostile Environment 10: its Heat Wave and Sacred Fire will always burn the target.
On a Roll 9: its Rock Smash and Iron Tail will always lower target's Defence.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Entei's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Elite Four Notes ×10
 Gems ×100
 4★ Power-Up
Entei's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Elite Four Notes ×15
 Gems ×100
 5★ Power-Up
Entei's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×50
 Elite Four Notes ×20
 Gems ×200
 5★ Power-Up

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Entei Challenge: Part 1
 
Entei's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Entei Challenge: Part 1
 Co-op Sync Orb ×500
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Entei Challenge: Part 2
 
Entei's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Entei Challenge: Part 2
 Co-op Sync Orb ×500
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Entei Challenge: Part 3
 
Entei's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Entei Challenge: Part 3
 Co-op Sync Orb ×1,000
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Entei Challenge: Part 3
 Gems ×300
Complete all the above missions  
Queller of Molten Flames

Legendary Arena: Cobalion

Cobalion was the second Legendary Arena boss Pokémon and could be battled from July 7 to 21, 2020, October 17 to 29, 2020, May 20 to June 3, 2021, September 10 to 24, 2021, and May 10 to 24, 2022. It could also be battled in the Legendary Gauntlet from January 20 to February 2, 2022.

It is weak to Fire-type moves. Cobalion is resistant to all damage thanks to Healthy Advantage 8 passive skill. This protection can be negated by inflicting Cobalion with a status condition, although its resistance to any status condition increases each time Cobalion recovers from one, until it becomes immune.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Cobalion's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×25
 Gems ×50
 Elite Four Notes ×10
 Gems ×100
 4★ Power-Up
Cobalion's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Elite Four Notes ×15
 Gems ×100
 5★ Power-Up
Cobalion's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Elite Four Notes ×20
 Gems ×200
 5★ Power-Up

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Cobalion's Challenge: Part 1
 
Cobalion's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Cobalion's Challenge: Part 1
 Co-op Sync Orb ×500
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Cobalion's Challenge: Part 2
 
Cobalion's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Cobalion's Challenge: Part 2
 Co-op Sync Orb ×500
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Cobalion's Challenge: Part 3
 
Cobalion's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Cobalion's Challenge: Part 3
 Co-op Sync Orb ×1,000
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Cobalion's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Bringer of Cobalt Justice

Legendary Arena: Latios

Latios was the third Legendary Arena boss Pokémon and could be battled from August 20 to September 2, 2020, October 29 to November 11, 2020, December 28, 2020, to January 11, 2021, July 27 to August 10, 2021, and December 24, 2021, to January 8, 2022. It could also be battled in the Legendary Gauntlet from May 24 to June 7, 2022.

It is weak to Dragon-type moves while on its first and second HP bars, and weak to Ice-type moves while on its third. Latios is also joined by Dragonite and Salamence which are weak to Dragon-type moves. While on its second and third HP bar, Latios will have the Defense Crush 9 and Mind Games 9 Passive Skill which always lower it's target's defenses for every successful hit.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Latios's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×25
 Gems ×50
 Elite Four Notes ×10
 Gems ×100
 4★ Power-Up
Latios's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×40
 Gems ×50
 Elite Four Notes ×15
 Gems ×100
 5★ Power-Up
Latios's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×60
 Gems ×100
 Elite Four Notes ×20
 Gems ×200
 5★ Power-Up

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Latios's Challenge: Part 1
 
Latios's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Latios's Challenge: Part 1
 Co-op Sync Orb ×500
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Latios's Challenge: Part 2
 
Latios's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Latios's Challenge: Part 2
 Co-op Sync Orb ×500
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Latios's Challenge: Part 3
 
Latios's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Latios's Challenge: Part 3
 Co-op Sync Orb ×1,000
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Latios's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Azure Eon Breaker

Legendary Arena: Azelf

Azelf was the fourth Legendary Arena boss Pokémon and could be battled from September 16 to 30, 2020, May 6 to 20, 2021 and April 21 to May 5, 2022. It could also be battled in the Legendary Gauntlet from January 20 to February 2, 2022.

It is weak to Bug-type moves. Azelf also has passive skills that greatly reduce physical damage it takes during the first 50% of each HP bar and special damage during the second 50%, with these extending to sync moves while on Azelf's third bar. On the very hard difficulty and while the third HP bar, Azelf will have the Piercing Gaze passive skill which allows its moves to always hit.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Azelf's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Azelf's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Azelf's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Azelf's Challenge: Part 1
 
Azelf's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Azelf's Challenge: Part 1
 Skill Sphere ×30
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Azelf's Challenge: Part 2
 
Azelf's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Azelf's Challenge: Part 2
 Skill Sphere ×30
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Azelf's Challenge: Part 3
 
Azelf's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Azelf's Challenge: Part 3
 Strike Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Azelf's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Crusher of Willpower

Legendary Arena: Tapu Bulu

Tapu Bulu was the fifth Legendary Arena boss Pokémon and could be battled from November 16 to 30, 2020, August 5 to 19, 2021, February 7 to 21 and June 9 to 23, 2022. It could also be battled in the Legendary Gauntlet from July 25 to August 19, 2022.

It is weak to Flying-type moves while on its first and third HP bars, and weak to Poison-type moves while on its second. It activates the field effect of Grassy Terrain at the beginning of each HP bar and each time it uses its Sync Move; Grassy Terrain increases the power of Grass-type moves and restores HP when using a Grass-type move. Grassy Terrain can be countered by inflicting Poison or by using "interference" status conditions, such as flinching, confusion, or trapped, although Tapu Bulu will increase its resistance to the latter each time it recovers, until it becomes immune.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Tapu Bulu's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Tapu Bulu's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Tapu Bulu's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Tapu Bulu's Challenge: Part 1
 
Tapu Bulu's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Tapu Bulu's Challenge: Part 1
 5★ Scout Ticket ×1
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Tapu Bulu's Challenge: Part 2
 
Tapu Bulu's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Tapu Bulu's Challenge: Part 2
 5★ Scout Ticket ×1
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Tapu Bulu's Challenge: Part 3
 
Tapu Bulu's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Tapu Bulu's Challenge: Part 3
 Support Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Tapu Bulu's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Ruiner of Abundance

Legendary Arena: Regirock

Regirock was the sixth Legendary Arena boss Pokémon and could be battled from December 12 to 20, 2020, June 25 to July 9, 2021, November 19 to December 3, 2021, and April 7 to 21, 2022. It could also be battled in the Legendary Gauntlet from May 24 to June 7, 2022.

It is weak to Grass-type moves while on its first HP bar, and weak to Steel-type moves while on its second and third. During the battle, any Pokémon receiving a critical hit will have their Defense lowered; for Regirock, this is the only way to reduce any of its stats. After dropping below 50% on the first and second HP bars, Regirock uses Iron Defense to raise its Defense and block critical hits for a period of time. While on it's second and third HP bar, Regirock will also increase it's resistance to any status interference (flinching, confusion or trapped) each time it recovers from one until it becomes immune.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Regirock's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Regirock's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Regirock's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Regirock's Challenge: Part 1
 
Regirock's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Regirock's Challenge: Part 1
 5★ Scout Ticket ×1
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Regirock's Challenge: Part 2
 
Regirock's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Regirock's Challenge: Part 2
 5★ Scout Ticket ×1
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Regirock's Challenge: Part 3
 
Regirock's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Regirock's Challenge: Part 3
 Tech Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Regirock's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Toppler of the Megalith

Legendary Arena: Cresselia

Cresselia was the seventh Legendary Arena boss Pokémon and could be battled from February 18 to March 4, 2021, August 20 to September 4, 2021, March 10 to 24, 2022 and July 5 to 19, 2022.

It is weak to Dark-type moves. While on its first HP bar, Cresselia will boost its stats with Double Team and Calm Mind and use Special Damage Reduction and its Brain Barrier 8 passive skill to reduce special damage; on harder difficulties, it will use its Go Viral 9 passive skill to allow its Thunder Wave to paralyze the player's entire team. On its second HP bar, it will switch to using Physical Damage Reduction and its Brawn Barrier 8 passive skill to reduce physical damage, and it will also add Stat Reduction Defense to its side of the field; on harder difficulties, it will use its Go Viral 9 passive skill to allow its Toxic to badly poison the player's entire team, and on Very Hard, it will gradually heal itself. On its third HP bar, Cresselia will continue its Physical Damage Reduction and Stat Reduction Defense, and it will add Status Move Defense and Status Condition Defense to its side of the field. After the first and second bars are depleted, Cresselia will use the Sure Hit Next and Critical Hit Next effects together with moves that damage the player's whole party.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Cresselia's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Cresselia's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Cresselia's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Cresselia's Challenge: Part 1
 
Cresselia's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Cresselia's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Cresselia's Challenge: Part 2
 
Cresselia's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Cresselia's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Cresselia's Challenge: Part 3
 
Cresselia's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Cresselia's Challenge: Part 3
 Strike Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Cresselia's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Crescent Moon Shaper

Legendary Arena: Latias

Latias was the eighth Legendary Arena boss Pokémon and could be battled from March 31 to April 14, 2021, November 9 to 23, 2021, and June 27 to July 11, 2022. It could also be battled in the Legendary Gauntlet from March 24 to April 7, 2022.

It is joined by Flygon and Alakazam which are weak to Dragon-type and Dark-type moves respectively. It is weak to Dragon-type moves while on its first HP bar, and weak to Fairy-type moves while on its second and third. Latias's Fluid Fortification passive skill reduces any damage it takes the more its stats are raised, but lowering its stats causes it to take more damage. While on its second HP bar, Latias will also gain or lose evasiveness if it dodged or failed to dodge, respectively, incoming attacks.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Latias's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Latias's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Latias's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Latias's Challenge: Part 1
 
Latias's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Latias's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Latias's Challenge: Part 2
 
Latias's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Latias's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Latias's Challenge: Part 3
 
Latias's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Latias's Challenge: Part 3
 Support Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Latias's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Crimson Eon Breaker

Legendary Arena: Tornadus

Tornadus was the ninth Legendary Arena boss Pokémon and could be battled from April 22 to May 6, 2021, September 21 to October 5, 2021, and December 9 to 23, 2021. The missions were available from September 8 to 22, 2022. It could also be battled in the Legendary Gauntlet from May 24 to June 7, 2022.

It is weak to Electric-type moves. Normally, Tornadus is resistant to physical damage while on its first HP bar, to special damage while on its second, and all damage while on its third, and it is also protected from critical hits while on the third HP bar. These protections can be negated by inflicting Tornadus with a status condition, although it is immune to all except Paralysis. If paralyzed, Tornadus will use Toxic one time early in the fight; otherwise, it will use Rain Dance instead. It has a chance of curing its paralysis after using a move with Self-Cleanse passive skill. Tornadus resists status changes, such as flinching, confusion, or trapped, with its resistance increasing each time it recovers from one, until it becomes immune. On the very hard difficulty and while on the third HP bar, Tornadus will have the Piercing Gaze passive skill which allows its moves to always hit.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Tornadus's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Tornadus's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Tornadus's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Tornadus's Challenge: Part 1
 
Tornadus's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Tornadus's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Tornadus's Challenge: Part 2
 
Tornadus's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Tornadus's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Tornadus's Challenge: Part 3
 
Tornadus's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Tornadus's Challenge: Part 3
 Tech Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Tornadus's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Tornado Tamer

Legendary Arena: Moltres

Moltres was the tenth Legendary Arena boss Pokémon and could be battled from July 12 to 26, 2021 and February 24 to March 10, 2022. It could also be battled in the Legendary Gauntlet from March 24 to April 7, 2022.

It is weak to Rock-type moves while on its first and third HP bars, and weak to Water-type moves while on its second. All weather conditions remain in effect until replaced with different weather; Moltres has a number of passive skills that activate during sunny weather, which it summons at the beginning of each HP bar and the halfway point of the second and third bars. Moltres can be flinched, but its resistance to flinching increases each time it recovers until it reaches 9.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Moltres's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Moltres's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Moltres's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Moltres's Challenge: Part 1
 
Moltres's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Moltres's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Moltres's Challenge: Part 2
 
Moltres's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Moltres's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Moltres's Challenge: Part 3
 
Moltres's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Moltres's Challenge: Part 3
 Strike Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Moltres's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Molten Wing Extinguisher

Legendary Arena: Uxie

Uxie was the eleventh Legendary Arena boss Pokémon and could be battled from October 22 to November 5, 2021, and January 7 to 21, 2022. It could also be battled in the Legendary Gauntlet from March 24 to April 7, 2022 and July 25 to August 19, 2022.

It is weak to Ghost-type moves. While on its first HP bar, the Healthy Advantage passive skill reduces damage while Uxie is unaffected by status conditions; on the second bar, the Acute Senses passive skill reduces damage unless Uxie is affected by status changes (e.g., flinching or restrained); and both passive skills take affect when Uxie is on its third HP bar. Additionally, passive skills increase Uxie's resistance to a status condition or interference condition (flinching, confusion, or trapped) each time it recovers from one, until it becomes immune. On Very Hard difficulty, Uxie will also apply Special Damage Reduction to its side of the field while on its first bar and Physical Damage Reduction while on its third bar.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Uxie's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Uxie's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Uxie's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Uxie's Challenge: Part 1
 
Uxie's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Uxie's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Uxie's Challenge: Part 2
 
Uxie's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Uxie's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Uxie's Challenge: Part 3
 
Uxie's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Uxie's Challenge: Part 3
 Support Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Uxie's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Claimer of Knowledge

Legendary Arena: Terrakion

Terrakion was the twelfth Legendary Arena boss Pokémon and could be battled starting from March 10, 2023.

It is weak to Psychic-type moves. Terrakion's passive skills increase its damage when its Attack and Sp. Atk are raised, which it can accomplish through moves and passive skills. While on its second and third HP bar, the Clear Advantage passive skill reduces damage while there's no field effect on Terrakion's side of the field, such as weather, terrain, Type Zone, or Type Damage Field.

Some of Terrakion's notable passive skills are:
Bar 2:
Clear Advantage 4: Reduces damage taken by 40% when there's no field effect affecting it.
Bar 3:
Clear Advantage 8: Reduces damage taken by 80% when there's no field effect affecting it.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Terrakion's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Terrakion's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Terrakion's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Terrakion's Challenge: Part 1
 
Terrakion's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Terrakion's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Terrakion's Challenge: Part 2
 
Terrakion's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Terrakion's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Terrakion's Challenge: Part 3
 
Terrakion's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Terrakion's Challenge: Part 3
 Tech Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Terrakion's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Bringer of Solid Justice

Legendary Arena: Raikou

Raikou was the thirteenth Legendary Arena boss Pokémon and could be battled starting from July 19, 2023.

It is joined by Electrode and Ampharos, all of which are weak to Ground-type moves.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Raikou's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Raikou's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Raikou's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Raikou's Challenge: Part 1
 
Raikou's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Raikou's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Raikou's Challenge: Part 2
 
Raikou's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Raikou's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Raikou's Challenge: Part 3
 
Raikou's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Raikou's Challenge: Part 3
 Strike Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Raikou's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Tamer of the Rumbling Thunder

Legendary Arena: Registeel

Registeel was the fourteenth Legendary Arena boss Pokémon and could be battled starting from October 10, 2023.

Registeel is weak to Fighting-type moves, and it has passive skills that reduce the damage it takes when its Defense or Special Defense is raised, as well as moves and passive skills to raise its Defense and Special Defense. Stat changes to Defense and Special Defense have a greater effect on damage output for both allies and opponents, so lowering Registeel's Defense and Special Defense is the recommended strategy.

In addition, field effects that Registeel puts up, such as Physical Damage Reduction and Special Damage Reduction shields, are permanent unless removed by the player.

Battle Difficulty Arena Rewards
Reduce HP bar 1 to 0% Reduce HP bar 2 to 0% Reduce HP bar 3 to 0%
First time
Registeel's Challenge: Part 1 Normal  Gems ×50
 3★ Level-Up Manual ×20
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 4★ Power-Up
Registeel's Challenge: Part 2 Hard  Gems ×50
 3★ Level-Up Manual ×30
 Gems ×50
 Co-op Sync Orb ×500
 Gems ×100
 5★ Power-Up Ticket ×20
Registeel's Challenge: Part 3 Very Hard  Gems ×100
 3★ Level-Up Manual ×50
 Gems ×100
 Co-op Sync Orb ×1,000
 Gems ×200
 5★ Power-Up Ticket ×20

Missions

Mission Reward
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Registeel's Challenge: Part 1
 
Registeel's Challenger
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Registeel's Challenge: Part 1
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Registeel's Challenge: Part 2
 
Registeel's Foe
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Registeel's Challenge: Part 2
 5★ Scout Ticket ×2
Complete the following Legendary Arena with 30 or fewer sync pair(s):
Registeel's Challenge: Part 3
 
Registeel's Bane
Complete the following Legendary Arena with 15 or fewer sync pair(s):
Registeel's Challenge: Part 3
 Support Move Candy Coin ×1
Complete the following Legendary Arena with 12 or fewer sync pair(s):
Registeel's Challenge: Part 3
 Gems ×300
Complete all the above missions  
Cutter of Ancient Iron

Event missions

Because the majority of Legendary Arena rewards are first-time completion rewards and cannot be obtained on reruns, event missions were included during the reruns of Legendary Arenas to encourage players to take on the challenge again with certain team restrictions. These missions required players to complete the most difficult version of the Legendary Arena with nine sync pairs or fewer, and at least three sync pairs of those nine had to have a certain theme skill. Players could earn up to 1,000 Gems by completing these missions. Once Legendary Arenas became available permanently, event missions continued to rerun periodically.

Legendary Arena: Raikou was the only Legendary Arena to include event missions at the same time as its debut.

The general structure of Legendary Arena event missions is as follows:

Mission Name Objective Reward
Mission 1 Complete Legendary Arena: <Pokémon>'s Challenge: Part 3
with 3 or more sync pairs that share the following theme
and with 9 total sync pairs or fewer:
  Region theme skill
 Gems ×300
Mission 2 Complete Legendary Arena: <Pokémon>'s Challenge: Part 3
with 3 or more sync pairs that share the following theme
and with 9 total sync pairs or fewer:
  Type theme skill
 Gems ×300
Mission 3 Complete Legendary Arena: <Pokémon>'s Challenge: Part 3
with 3 or more sync pairs that share the following theme
and with 9 total sync pairs or fewer:
  Trainer group theme skill
 Gems ×300
Reward for completing all missions  Gems ×100

The only Legendary Arena event missions that did not follow this format exactly were Latias's missions in June and October 2022, which only asked players to use 2 or more sync pairs of the designated region theme skill.

The following table lists all the times Legendary Arena missions have been available, and what theme skills were required:

Arena Dates Featured theme skills
  Region   Type   Trainer group
  Azelf May 6 to 20, 2021 Unova Bug Gym Leader
  Cobalion May 20 to June 3, 2021 Hoenn Fire Gym Leader
  Entei June 9 to 23, 2021 Hoenn Water Gym Leader
  Regirock June 25 to July 9, 2021 Sinnoh Steel Main Character
  Latios July 27 to August 10, 2021 Hoenn Dragon Gym Leader
  Tapu Bulu August 5 to 19, 2021 Unova Flying Gym Leader
  Cresselia August 20 to September 4, 2021 Kalos Dark Elite Four
  Cobalion September 10 to 24, 2021 Unova Fire Gym Leader
  Tornadus September 21 to October 5, 2021 Unova Electric Gym Leader
  Entei October 4 to 18, 2021 Kanto Water Gym Leader
  Latias November 9 to 23, 2021 Kalos Fairy Gym Leader
  Regirock November 19 to December 3, 2021 Sinnoh Steel Gym Leader
  Tornadus December 9 to 23, 2021 Unova Electric Gym Leader
  Latios December 24, 2021 to January 8, 2022 Hoenn Dragon Gym Leader
  Uxie January 7 to 21, 2022 Alola Ghost Gym Leader
  Tapu Bulu February 7 to 21, 2022 Unova Flying Gym Leader
  Moltres February 24 to March 10, 2022 Kanto Rock Gym Leader
  Cresselia March 10 to 24, 2022 Unova Dark Elite Four
  Regirock April 7 to 21, 2022 Galar Steel Gym Leader
  Azelf April 21 to May 5, 2022 Unova Bug Gym Leader
  Cobalion May 10 to 24, 2022 Sinnoh Fire Elite Four
  Tapu Bulu June 9 to 23, 2022 Johto Flying Gym Leader
  Latias June 27 to July 11, 2022 Galar* Fairy Gym Leader
  Cresselia July 5 to 19, 2022 Unova Dark Elite Four
  Cobalion August 5 to 19, 2022 Hoenn Fire Main Character
  Tornadus September 8 to 22, 2022 Kanto Electric Gym Leader
  Latias October 7 to 21, 2022 Hoenn* Fairy Main Character
  Uxie October 25 to November 11, 2022 Unova Ghost Gym Leader
  Azelf November 9 to 23, 2022 Unova Bug Gym Leader
  Entei December 12 to 26, 2022 Kalos Water Main Character
  Latios December 21, 2022 to January 4, 2023 Johto Ice Gym Leader
  Moltres January 9 to 23, 2023 Kalos Rock Elite Four
  Tapu Bulu February 9 to 23, 2023 Unova Flying Gym Leader
  Tornadus February 24 to March 10, 2023 Unova Electric Gym Leader
  Regirock April 11 to 25, 2023 Kalos Steel Main Character
  Cresselia April 26 to May 10, 2023 Hoenn Dark Elite Four
  Latios May 10 to 24, 2023 Alola Ice Gym Leader
  Terrakion June 6 to 20, 2023 Sinnoh Psychic Elite Four
  Tapu Bulu June 29 to July 13, 2023 Hoenn Flying Gym Leader
  Raikou July 19 to August 2, 2023 Sinnoh Ground Elite Four
  Cobalion July 28 to August 11, 2023 Galar Fire Gym Leader

In other languages

Language Title
Chinese Cantonese 傳說對戰 Chyùhnsyut Deuijin
Mandarin 傳說對戰 Chuánshuō Duìzhàn
  French Bataille Légendaire
  German Legendenkampf
  Italian Lotta Leggendaria
  Korean 레전드배틀 Legend Battle
  Spanish Combate legendario


  This article is part of Project Sidegames, a Bulbapedia project that aims to write comprehensive articles on the Pokémon Sidegames.