Coure

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

Creatures of aberration, celestial, elemental, fey, fiend and undead types have disadvantage on attack rolls against the target. The target also can't be charmed, frightened or possessed by them. If the target is already charmed, frightened or possessed by such a creature, the target has advantage on any new saving throw against the relevant effect.

Shapechanger. The coure can use its action to assume the form of an incorporeal ball of light. While in this form, the coure is immune to damage from all non-magical sources. It can phase through solid objects and create a light source of up to 30ft, and cast dim light in a further 30 foot radius around that. It can not attack or use Invisibility in this form.

Limited Telepathy. The coure can magically communicate simple ideas, emotions, and images telepathically with any creature within 100 feet of it that can understand a language.

Sleeping Dagger. Melee Weapon Attack: +6 to hit, reach 5 ft., one creature. Hit: 7 (1d4 + 4) piercing damage. 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 creature. 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.