Periapt of Wound Closure

[ Amulette de cicatrisation ]
Wondrous item, uncommon (requires attunement)
While you wear this pendant, you stabilize whenever you are dying at the start of your turn. In addition, whenever you roll a Hit Die to regain hit points, double the number of hit points it restores.
Dungeon MasterĀ“s Guide (SRD) D&D 5 › Magic Items