Amulet of the Deathsworn

This amulet belongs to those who soul has been touched by the power of death. It allows them to temporarily shift their soul between the physical and spiritual planes. It also allows them to draw power from the vitality of other creatures. 

Ghostly Form. The amulet has 3 charges, and it regains all expended charges daily at dawn. As a bonus action or reaction, you can expend 1 of the amulets charges to become incorporeal for one minute. For the duration, you gain the following benefits:

• You have resistance to bludgeoning, piercing, and slashing damage from nonmagical attacks.
• You can’t be grappled or restrained. 
• You can move through creatures and solid objects as if they were difficult terrain. If you end your turn in a solid object, you take 1d10 force damage. If the effect ends while you are inside a solid object, you instead are shunted to the nearest unoccupied space, and you take 1d10 force damage for every 5 feet traveled.

Soul Siphon. when a creature dies within 15 feet of you, the amulet stores 1d6. The amulet can store up to 6d6. As a bonus action, these dice can be used to either regenerate yourself or an ally or to deal necrotic damage to an enemy. This ability functions as a touch spell using your spellcasting modifier.