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
Has additional properties
can cast dimension door 4 times with charges  at will 

Bonus + 4 AC

Notes: Bonus: Armor Class, Advantage: Melee Attacks, wear it , Healing, Warding, Jewelry