Shaedenstaff

Damage: 1d6 (V:1d8) Bludgeoning
Modifiers: Melee Attacks +1, Melee Damage +2
This magical staff holds 7 charges and regains
1d6+1 expended charges per rest.
Annihilating Strike: Expend one charge to add
1d10 necrotic damage to a melee or spell attack.
Annihilation (Action): Expend four charges to
deal 3d10 necrotic damage to all creatures in a
10 ft. radius at a point you can see within 30 ft.
Creatures that succeed on a DC 16 Con. saving
throw take only half damage. Requires Attunement.