Ability Score Increase: +2 CON
Size: Medium, Large
Speed: 30 ft walking, 25 ft swimming
Darkvision: As a creature of the night, you are very good at seeing in the dark. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.
Claws: Your claws are natural weapons, which you can use to make unarmed strikes. If you hit with them, you deal 1d4 + Str mod slashing damage.
Powerful Build: You count as one size larger when determining your carrying capacity and the weight you can push, drag, or lift.
Yokai Resistance: Thanks to the energy of the yokai, you have resistance to poison damage and advantage on saving throws against becoming poisoned.
Ability Score Increase: +1 STR
The Revel Continues: When you are reduced to 0 hit points but not killed outright, you can drop to 1 hit point instead. You can’t use this feature again until you finish a long rest.
Ability Score Increase: +1 INT
Oni Techniques: Blue oni can muster the innate techniques within themselves which get stronger as they grow in power. You know the Dancing Lights technique. When you reach 5th level, you can use the Charm Person technique once per long rest. The saving throw for this technique is against your Special DC.
Ability Score Increase: +1 WIS
Spirit Walk: Pale oni are still heavily in tune with the spirit world and can for brief moments step through the boundaries between planes. As an bonus action, you can teleport up to 30 feet to an unoccupied space of darkness that you can see. Once you use this trait, you can’t do so again until you finish a long rest.