 Erwin remains with Böser until the unsealing of Alhazard, at which point he may leave it to the player's discretion whether or not to continue on with Böser or to betray him.If Boser is betrayed, Erwin will commit to a totally independent path of absolute peace for demons and humans, ultimately setting himself in opposition to the Goddess Lushiris herself.If Erwin remains loyal to Böser, he commits to destroying the Demon Tribe's enemies and taking power for himself, assuming the character of a sociopath.