Constrained Heart

On use, regenerates 20 Health per second for 5 seconds and grants 2 stacks of BULWARK while heal is active.

Purchase from Cass at Ward 13. Becomes available after defeating 12 World Bosses.

Lore

Crudely wired in an effort to restrict the heart's power—to slow it down, stretch it out, make it last. Surprisingly, it works.

"Scientists being what they are, they weren't content to study the shit we found out there. They had to understand it, change it, improve it.

The military being what it is, they always allowed it...provided the results were useful to them."