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1,473 bytes added, 22:03, 27 February 2012
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==Experience underflow glitch==
I don't know how writing stuff out on bulbapedia works and I'm new and I tried to catch and withdraw a level 1 Nidoking from Pokemon Yellow to test out the EXP Underflow glitch and my game locked up. I don't know why it did that. It shouldn't have. Can anyone tell me the cause of it? If I keep my Pikachu's Growl 6 times instead of using Thunderbolt on a Slowpoke like normally would and bring Mew down to level 1 and then try to withdraw him will the game do the same thing it did when I tried to get out my level 1 Nidoking? Where do these glitched Pokemon come from? Do they just magically appear? What if this were like real life? It'd sound weird, wouldn't it? ~MichaelXD001
:The Pokémon (upon returning to the route in which you escaped) equates to the Special stat of the last Pokémon encountered in memory, according to its [[List of Pokémon by index number (Generation I)|index number]]. This is why players commonly use the {{tc|Youngster}} on {{rt|25|Kanto}}, because his last Pokémon (a {{p|Slowpoke}}) just happens to have a Special stat of 21; equating to {{p|Mew}}'s index number.
:When a level 1 [[Experience|medium-slow]] Pokémon (such as {{p|Nidoking}}) is sent to the PC, the game will freeze when attempting to withdraw it. I'm not exactly sure why this is, but I assume it's probably because the game can't calculate an appropriate level for the Pokémon to grow to (see [[box trick]]). This is unlike capturing it with 5 or less Pokémon in the party and having it gain experience in battle, because under normal circumstances the Pokémon cannot grow past level 100, unless the Pokémon is an [[Unstable hybrid Pokémon|unstable hybrid]], in which it can only grow in battle to level 100 if the donor and recipient Pokémon have different experience groups.
:This freeze glitch is commonly experienced with level 0 [['M]] when you capture it with 6 Pokémon in the party and try to withdraw it, because its experience algorithm also gives it negative experience, pertaining to a level which the game can't calcuate.
:I hope this clears up your questions. --[[User:Chickasaurus|Chickasaurus]] 22:03, 27 February 2012 (UTC)