For vampires with access to other damage sources, the real prize here is Atrophy, for one of few if not the only ability that reduces the enemy's Attack and Defense, affecting both sides of the Damage Formula.
Decay[]
Blood Cost 5
- On touch, causes aggravated damage
Minimum 25 Intelligence, Maximum 60 Humanity
Acidic Touch[]
Blood Cost 10
- On touch, causes aggravated damage
Min 35 Intelligence - Max 50 Humanity
Atrophy[]
Blood Cost 15
Min 50 Intelligence - Max 35 Humanity
Turn to Dust[]
Blood Cost 20
- On touch, causes aggravated damage
Min 60 Intelligence - Max 25 Humanity