Beast of Mischief

Invisibility. The Beast of Mischief can turn invisible once per day.

Spellcasting. The Beast of Mischief can innately cast the following spells: At will: Minor Illusion. 1/day each: Charm Person, Disguise Self.

Multiattack. The Beast of Mischief makes three attacks: two with Mischief Strike and one with Trickster's Dart. Alternatively, the Beast of Mischief makes two ranged attacks with Trickster's Dart.

Mischief Strike. MeleeWeapon Attack: +2 to hit. Hit: 6 (1d6 + 3) Piercing damage. On a hit, the target must succeed on a DC 13 Dexterity saving throw or be restrained by the Beast's mischievous energy until the end of their next turn.

Trickster's Dart. Ranged attack that deals 5 (l d4 + 3) psychic damage. On a hit, the target must make a DC 13 Intelligence saving throw or be confused as illusions dance in their mind, causing them to attack a random creature within their reach.

Armored Skin. As a reaction, the Beast of Mischief adds 2 to its AC against one melee attack that would hit it. To do so, the creature must be aware of the attacker and wield a weapon mischievously.