Cloak of Comets

+1 to all saving throws while wearing this item.
Contains 6 charges. As an action, you may spend
up to 5 charges for 1 magic missile per charge or
light cantrip, creating a mote above your head.
If you take melee damage, mote explodes and
attacker takes 1d10 radiant damage. Regains 1d6
charges each day, or month if no charges are left.
The royal cloak of the ancient Earlanni, these glowing
fragments channel the luminous power of the heavens.