Sprite

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

Ranged Weapon Attack: +6 to hit, range 40/160 ft.. Hit: 1 piercing damage, and the target has the Charmed condition until the start of the sprite's next turn.

Charisma Saving Throw: DC 10, one creature within 5 feet the sprite can see (Celestials, Fiends, and Undead automatically fail the save).
Failure: The sprite knows the target's emotions and alignment.

The sprite casts Invisibility on itself, requiring no spell components and using Charisma as the spellcasting ability.