The Heart must recharge before it can prevent further deaths or trigger its damage and healing effects.
Taking damage has a high chance to cause you to devour the essence of nearby enemies, dealing 92.8676 × SP Shadow damage split between them and healing you for 150% of the damage dealt.
Fatal damage not exceeding 245.1528 × SP instead restores you to 20% health and reconstitutes you as unstable void for 6 sec. Exceed 50% health to stabilize and avoid death. This effect may occur once per 8 min. The Nucleus is unable to deal damage while recharging.
