Berú of Abaddon's Flesh

While in Demonform quickly gain Infernal Hunger stacks, each increasing the damage you take by 0.5%. Killing enemies and Demons or hitting Elites converts Infernal Hunger stacks into Demonic Strength, each granting 2%[x] increased Damage for 20 seconds.

Demonform increases your Maximum Life by 20%, each stack of Demonic Strength grants 0.55% additional Maximum Life.

Demonic Strength's bonuses are increased by 150% and now persist after you leave Demonform. While you have Volatility, your Hellfire Skill damage is increased by 66%[x] and you gain Infernal Hunger twice as fast.