Lock-up Trainer battle

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Revision as of 17:59, 17 April 2024 by Glitcheat (talk | contribs) (Added cause)
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A lock-up Trainer battle is a glitch effect that occurs in Pokémon Red, Blue, and Yellow.

This glitch occurs when trying to encounter certain invalid rosters with a glitch Pokémon whose experience calculation contains a division by zero, which causes the game to softlock in the overworld after starting the battle music. Once locked up, the game will remain unplayable until a reset, or a memory hack to bypass the freeze.

Similarly to the experience division by 0 glitch, this glitch applies to glitch Pokémon with an experience group of 0x95 or 0xFF, respectively Glitch (0xCA) and 4(h4? (0xED). However no invalid roster containing these glitch Pokémon has been found so far, therefore this glitch only exists in Japanese and non-English European versions of the game.

Examples

Japanese versions (Pokémon Red and Green)

  • Rival champion (0xF3) with roster
  • Agatha (0xF6) with roster 0x03
  • Lance (0xF7) with roster 0x07

Non-English European versions

  • In French versions of Pokémon Red and Blue, trying to encounter any wild Pokémon/Trainer by modifying memory address 0xCFDD with a value greater than 0xC8 will cause the glitch.

See also

External links