Coure

Planar Circle. The Coure is always under the effects of the spell Protection from Evil and Good.

Shapechanger. The Coure can use its action to assume the form of an incorporeal ball of light. Whilst in this form, it is immune to damage from all non-magical sources and can phase through solid objects and create a light source of up to 30ft. It cannot attack or use invisibility in this form.

Sleeping Dagger Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d4 + 4) slashing damage. The target must succeed on a DC 10 Constitution saving throw or fall unconscious for 1 minute, or until it takes damage or another creature uses an action to wake it. 

Tiny Bow. Ranged Weapon Attack: +6 to hit, range 30 ft., one target. Hit: 7 (1d4 + 4) piercing damage.

Invisibility. The Coure magically turns invisible until it attacks or until its concentration ends (as if concentrating on a spell. Any equipment the Coure wears or carries is invisible with it.