Code Unknown: as far now we don't know much about Izayoi's Gift, we know that it grants him superhuman stats and increased perception, is able to create beats shock waves and earthquakes, but it's true power appears to be power to negate and destroy Gifts. With this power he can potentially destroy stars.
Divine Essence: Apparently from birth Izayoi similar Demon King Sun Wukong, which is demon-lord only half, which explains their high resistance to natural and supernatural influences, and probably also gives a number of mystical abilities.
Mystic resistance - in accordance with its high level of spiritual forces, Izayoi has resistance to all kinds of natural and supernatural influences.The deadly curse from Baron didn't work with Izayoi, Demon King Of Confusion stopped the time of all Kouen City but it also didn't affect with Izayoi either.
Aurora Pillar - A power that revolves around creating a light construct in the shape of a small pillar which then enlarges to the point of reaching skyward; he then swings it at his enemy. This is the true manifestation of Izayoi's power to destroy Gifts. He has used it only three times: to destroy the pocket dimension Baron La Croix created, to destroy the huge dragon`s heart and in his fight against Azi Dakaha - their clash reduced more than half of a volcano peak to nothing more than subatomic particles and the light radiating from the Aurora Pillar can even absorb a star. The Aurora Pillar is a very powerful trumpcard that could even pass judgement upon the Gods. His Highness described it as a "Another Cosmology", the secret techniques of the Gods to construct their "universe". In volume 11, with the help from Baron La Croix, Izayoi defeated Maxwell and erased him from existence with his Aurora Pillar.