You can acces without spawning using abilitiesArray[0].GetDefaultObject()->CastAbility();
or:
TObjectPtr<UAbility> AbilityCDO = abilitiesArray[0].GetDefaultObject();
AbilityCDO->CastAbility();
More info:
@rokenrock covered the rest.
You can acces without spawning using abilitiesArray[0].GetDefaultObject()->CastAbility();
or:
TObjectPtr<UAbility> AbilityCDO = abilitiesArray[0].GetDefaultObject();
AbilityCDO->CastAbility();
More info:
@rokenrock covered the rest.