Avatar The Nazgul Champion (Shadow of war x Avatar)

for years YN has served thr dark lord Sauron for decades and they have taken over all of mordor no one can stop them YN gain the title the champion of sauron YN only knows one thing to serve Sauron for eternity then one day Sauron send YN to a new world so they take it over YN mission was go to the new world and make a portal so all of sauron army can invade the world but something happened a new voice calls to YN and ask him does he serve the light or the darkness as the voice show him his childhood memories so with this YN decided to betray sauron and become the champion of Eywa