Mega Evolution (GO)

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Mega Evolution (Japanese: メガシンカ Mega Evolution) is a temporary transformation introduced to Pokémon GO on August 27, 2020. Like in the core series, Mega Evolution will significantly increase a Pokémon's stats and potentially change its type, but its moves will remain the same. However, rather than using a Mega Stone, an eligible Pokémon instead consumes Mega Energies to undergo a temporary Mega Evolution.

Promotional artwork from Pokémon GO

Activation

Mega Evolving a Pokémon costs a large amount of Mega Energies for the first time and a significantly reduced amount for subsequent times. As of September 3, 2020, the reduced cost is one-fifth of the initial amount. (When first introduced, subsequent Mega Evolutions required one-fourth of the initial Mega Energy.) This reduction is applied only to that specific Pokémon, not the species as a whole. And for a Pokémon with multiple Mega Evolutions, the reduction only applies to forms it has previously Mega Evolved into. So if a Charizard has previously evolved into Mega Charizard X for the first time, then it would cost 40 to evolve into Mega Charizard X again, but 200 to evolve into Mega Charizard Y.

In addition, after registering a Mega Evolution into the Pokédex, walking a Buddy Pokémon that belongs to that Mega Evolution's evolutionary family can yield its respective Mega Energies (at 5 per km).

Shadow Pokémon and Clone Pokémon cannot Mega Evolve, but Purified Pokémon and other event forms can. Slowbro's Galarian Form cannot Mega Evolve.

• Mega Evolution lasts for eight hours. This timer can be seen on the Mega Evolved Pokémon's summary view.
  • Prior to October 15, 2020, Mega Evolution lasted four hours.
• A player can only have one active Mega Evolution at a time. A player that has recently Mega Evolved a Pokémon would have to wait out the timer before Mega Evolving another one.
• Mega-Evolved Pokémon cannot be deployed to defend Gyms, traded, or powered up

However, some Pokémon that can Mega Evolve in the core series games cannot Mega Evolve in Pokémon GO.

In battle

Mega-evolved Pokémon can be used in all types of battles, except in the GO Battle League.

When used in Raid Battles, a Mega-Evolved Pokémon provides special damage bonuses to all allies when on the battlefield:

• ×1.3 damage for all moves that match any of the ally Mega-evolved Pokémon's type or
• ×1.1 damage increase for all other ally Pokémon's moves

Prior to 0.189.0 update, there was a bug that caused Mega-evolved Pokémon to be more powerful depending on the level the Pokémon was powered up from.

Multiple players can send out Mega-evolved Pokémon at one time, but the damage bonuses will not stack, and only the highest possible damage bonus will be applied.

Outside of battle

If a player has a Mega Evolved Pokémon, then catching a Pokémon may yield one extra Candy if

• The caught Pokémon shares a type with the Mega Evolved Pokémon or
• The Pokémon was caught from a raid, regardless of type.

Mega Raids

Main article: Raid Battle

Mega-evolved Pokémon may appear as Raid Bosses for Mega Raids. Upon completion, Mega Raids reward Mega Energies that correspond to the Mega Raid Boss. Upon defeat, the Raid Boss will revert to its normal form and can be caught as such during the bonus challenge.

List of Mega Evolutions in Pokémon GO

Mega Energy		Pokémon		Type	Cost
					First time	1st Mega Level	2nd Mega Level	3rd Mega Level
	Venusaur Mega Energy		Mega Venusaur		200	40	20	10
	Charizard Mega Energy		Mega Charizard X		200	40	20	10
			Mega Charizard Y
	Blastoise Mega Energy		Mega Blastoise		200	40	20	10
	Beedrill Mega Energy		Mega Beedrill		100	20	10	5
	Pidgeot Mega Energy		Mega Pidgeot		100	20	10	5
	Slowbro Mega Energy		Mega Slowbro		100*	20*	10	5
	Gengar Mega Energy		Mega Gengar		200	40	20	10
	Kangaskhan Mega Energy		Mega Kangaskhan		200	40	20	10
	Gyarados Mega Energy		Mega Gyarados		300*	60*	30	15
	Aerodactyl Mega Energy		Mega Aerodactyl		200	40	20	10
	Ampharos Mega Energy		Mega Ampharos		200	40	20	10
	Steelix Mega Energy		Mega Steelix		200	40	20	10
	Houndoom Mega Energy		Mega Houndoom		100*	20*	10	5
	Manectric Mega Energy		Mega Manectric		100*	20*	10	5
	Altaria Mega Energy		Mega Altaria		300*	60*	30	15
	Absol Mega Energy		Mega Absol		200	40	20	10
	Latias Mega Energy		Mega Latias		300	60	30	15
	Latios Mega Energy		Mega Latios		300	60	30	15
	Lopunny Mega Energy		Mega Lopunny		200	40	20	10
	Abomasnow Mega Energy		Mega Abomasnow		200	40	20	10