Pyre

"Let your death be one that will be remembered for eons to come. Do not be vanquished like a fleeting flame, rekindle your soul, burst with power! Burn your mark onto this world!"

- Pyre to a warrior, granting him the neccesary power to fight back before dying Pyre (パイル, Pairu) is a self-proclaimed "Grim Reaper", known best as the Grim Reaper of Noble Flames (死神の清い火の手, Shinigami no Kiyoi Hinote), he is an entity who appears before brave and powerful warriors during their dying moments, giving a significant boost in power so they may "die in a blaze of glory", giving them the chance to leave without regrets, at the cost of gaining all of their skills they possessed during their life. Pyre is the prime reason for many legendary heroes in history who have died a heroic and noble death, leaving their mark on the world, regardless of how they went down. Pyre's power is also what gives birth to a Dead Knight, on the rare occasion a warrior survives after recieving a power boost.

Trivia

 * The name Pyre is derived from funeral pyre, a body of structure, usually made of wood, that is used for burning a body, either as a funeral rite or execution. This plays into Pyre's theme as a type of "grim reaper".