Buddha

Buddha is a religious entity found in the New World that most likely originated from YGGDRASIL.

Background
The Buddha is the central figure of a religion that hailed from the south of the Baharuth Empire. Very little was known about him to the nations of the north. Inhabitants from other nations outside his sphere of influence saw him as a follower of the Four Grea Gods.

The Ruler of Conspiracy Arc
During Emperor Jircniv Rune Farlord El Nix's meeting with Silver Thread Bird, Unkei introduced him as a follower of the Buddha.

Trivia

 * Though not stated the Buddha from the New World, is most definitely Siddhārtha Gautama of the real world.