Chain of Sacrifice
A creature wearing this necklace can take Wounds in exchange powerful abilities. Wounds taken by this can't be prevented or removed except by Safe Rest. A creature that takes six Wounds from this dies, regardless of how many Wounds it can take.
1 Wound. Reroll an attack roll or saving throw
2 Wounds. Reaction: Reduce the damage an ally would take to 0
3 Wounds. Action: Heal an ally for 5 x Lvl HP
4 Wounds. Action: Give an enemy Disadvantage on all attack rolls until the start of your next turn
5 Wounds. Action: All allies Gain 4 x Lvl Temp HP and advantage on attack rolls and saving throws until the end of combat
6 Wounds. Action: Resurrect up to 3 creatures who have died within the last minute
The soul of a creature who dies with any wound taken from this item becomes property of the items creator. The wearer can not be revived unless a deal is struck with the entity that owns the soul.