Optional
stackCount: numberBooleanHolder
that will be set to true
if the EnemyPokemon is a fusion
true
if the EnemyPokemon is a fusion
Optional
_forSummary: booleanOptional
virtual: booleanChecks if Modifier
should be applied
parameters passed to Modifier.apply
always true
by default
Applies EnemyFusionChanceModifier