ref: 3bb94e49286617c9e8d61af4e9af85df88000d96
dir: /engine/battle/move_effects/rain_dance.asm/
BattleCommand_StartRain: ; startrain ld a, WEATHER_RAIN ld [wBattleWeather], a ld a, 5 ld [wWeatherCount], a call AnimateCurrentMove ld hl, DownpourText jp StdBattleTextbox