Sisters Vis

Overview

Delirium and The Beast both have 10,000 HP, the most of any boss, and Hush sits at 6,666. Ultra Greed has 3,500 and Mega Satan 3,000. Mom has 645 and The Lamb 2,000. Repentance added 27 bosses, the most of any expansion, while Rebirth alone accounts for 56 of the 102.