If an effect changes when Dahan deal Damage in Ravage (e.g., Words of Warning), is that Damage in addition to or instead of the normal Damage after Invaders?

If an effect changes when Dahan deal Damage in Ravage (e.g., Words of Warning), is that Damage in addition to or instead of the normal Damage after Invaders?

Instead of. Each Dahan only deals Damage once.