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How to change Evo-methods?

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    2
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    • he/him
    • Seen Apr 28, 2025
    Hi there :)
    I want to make Eevee evolve by using a sun stone for Espeon and a moon stone for Umbreon in pokefirered.
    I already changed the text in the evolution.h document and tried it ingame.
    I can use the stone on Eevee and the item use screen pops up but then it just stops and goes back to the pocket. I dont lose the item or anything.
    I feel like i have to change something other than that but have no idea what.
     
    Hi there :)
    I want to make Eevee evolve by using a sun stone for Espeon and a moon stone for Umbreon in pokefirered.
    I already changed the text in the evolution.h document and tried it ingame.
    I can use the stone on Eevee and the item use screen pops up but then it just stops and goes back to the pocket. I dont lose the item or anything.
    I feel like i have to change something other than that but have no idea what.
    You didn't specify which game are you modifying.
    Are you using Pokefirered?
    Because FRLG has a limiter that disallows evolving a Pokémon into another one if its species isn't present in the Kanto Dex, until you get the National Dex.
    You can disable it by removing this chunk of code.
     
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