Immortal soldier

It was a dead, grim field, bodies of the fallen pepper the once beautiful clearing, the white roses now stained red and black from the blood and the explosions of the past battle, the battle that had taken place had no winners and endless losers, in the middle to the field lay a rock, and upon that rock there is one lone survivor, but it wasn't a miracle that he lived, more like a curse that refused to give him the peace he has been after for such a long time. WARNING, Mature content is present, Reader discretion is advised

RWBY X M, Reader