Jacinth Shell is a Unique Chest Armor in Diablo IV Season 15 for Spiritborn. It drops from Andariel (Echo of Andariel).
Unique power
Spending Vigor Heals you for [7 - 10]% of your Maximum Life. Every second, your active Cooldowns each drain 10% Maximum Life from you to reduce their durations by 2 seconds.
Affixes
+Dexterity
+Vigor per Second
Where it drops
Horadric Cube: Upgrade Common Chest to Unique
Andariel, Maiden of Anguish (Hanged Man's Hall, Kehjistan) - one guide S15 / another guide / a third guide