| STRENGTH | DEXTERITY | CONSTITUTION | INTELLIGENCE | WISDOM | CHARISMA |
| 11 | 11 | 17 | 17 | 13 | 19 |
(0) | (0) | (+3) | (+3) | (+1) | (+4) |
Innate Spellcasting. The Oni's innate spellcasting ability is Charisma (spell save DC 13, spell attack +5). The Oni can innately cast the following spells, requiring no material components:
At Will: Darkness, Invisibility, Toll The Dead
1/Day each: Enervation, False Life, Shadow of Sithis, Silence
Magic Weapons. The Oni's weapon attacks are magical. Additionally, Black Oni use Charisma instead of Strength or Dexterity for Attack and Damage rolls.
Regeneration. The Oni regains 10 hit points at the start of its turn if it has at least 1 hit point.
Multiattack. The Oni makes two attacks, either with its claws or its Greatmace.
Claw (Oni form only). Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) slashing damage.
Daedric Fanged Greatmace. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 13 (2d8+7) bludgeoning damage plus 5 (1d8) piercing damage.