homebrew by Team Brievary
Innate Spellcasting. The dokkaebi's innate spellcasting ability is Charisma (save DC 12, +4 to hit with spell attacks). The dokkaebi can innately cast the following spells, requiring no material components:
Unarmed Strike. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 1d4+3 bludgeoning damage. Grappler. The dokkaebi can take an action to attempt a grapple against a creature of medium size or lower. The dokkaebi makes the check to grapple with advantage.