Magic Damage: 22/37/52/67/82 (+30% AP) (+3% (+0.5% per Feast stack) of target's maximum health) ⇒ 20/40/60/80/100 (+30% AP) (+3% (+0.5% per Feast stack) of target's maximum health)
Damage per Spike: 22/34/46/58/70 (+3% (+0.5% per Feast stack) of target's maximum health) ⇒ 22/37/52/67/82 (+3% (+0.5% per Feast stack) of target's maximum health)