soul of cinder
"Since Lord Gwyn, the first Lord of Cinder, many exalted lords have linked the First Flame, and it is their very souls that have manifested themselves as defender of the flame." - Soul of the Lords.
A character from Dark Souls III. Also known as the Red Knight, and in the Japanese version as the Incarnation of Kings.
The final boss of the main story, the Soul of Cinder is the deific and physical manifestation of the souls of everyone who has ever linked the fire, an amalgamation of their skills and abilities.