Staff of the Lich King

Black Staff with a skull on top.
The staff can expend one charge to automatically
deal 1d6 Necrotic Damage to a target within 60ft.
If the spell kills the target the animate dead spell
is applied to the target. The staff holds 4 charges
and regains 1d4 charges at dawn. While holding
the staff you cannot wield or carry any other
weapons on you.