ref: 354fefaefbba77a3408fa9edb5cc4393b9c702ab
dir: /engine/battle/move_effects/mist.asm/
BattleCommand_Mist: ld a, BATTLE_VARS_SUBSTATUS4 call GetBattleVarAddr bit SUBSTATUS_MIST, [hl] jr nz, .already_mist set SUBSTATUS_MIST, [hl] call AnimateCurrentMove ld hl, MistText jp StdBattleTextbox .already_mist call AnimateFailedMove jp PrintButItFailed