Amulet of Cyphon

This Amulet is a dark relic and will take life to store energy. Once someone touches the amulet they will take 1d6 necrotic damage per player level. The damage is converted into energy points and is stored in the amulet. The amulet can hold up to 30 energy points. When the player needs to they can summon the energy from being attuned to it. They can use the energy points to make a ranged spell attack. Range 50 ft. Must see target. On a hit, can expend any amount of the points held in the amulet, max 30. For each 10 points used role 1d12. If fully charged 3d12, and the amulets damage type is necrotic. Can only be discharged once per long rest. 

Notes: Must spend a short rest to attune to this item