The Sun God is a deity that many in the world of One Piece have worshipped for ages, and there are quite a few individuals in the world who have had access to this power over the years.

The Sun God is known to be the Warrior of Liberation who comes to the prayers for freedom from oppression and brings about laughter and joy wherever he goes. It is said that the Sun God Nika comes when oppression reaches unbearable heights, and every time he descends upon the world, destruction follows. This is why many consider Nika to be a God of Destruction as well, and why each iteration of this legendary god is considered to be incredibly overpowered.

Out of all the users of the powers of Sun God Nika, Saint Killingham is quite easily the weakest of the lot. Killingham is one of the Holy Knights and a powerful fighter who wields the Mythical Zoan Ryu Ryu no Mi, Model: Kirin. On his own, Killingham isn't all that strong, but what makes him truly deadly is the Depths Covenant he has with Nerona Imu. Using this Covenant, Killingham has access to infinite regeneration and immortality on top of superhuman strength.

Killingham's Devil Fruit allows him to transform into a Kirin, but more importantly, gives him the ability to turn any dream, as well as nightmare, into reality. Killingham can manifest anyone's nightmares, including his own, and when powered up by an Omen, these nightmares become incredibly deadly.

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