As a Hero, Xiya was, of course, not part of the Demon Clan.
Or rather, at this point in time, he had yet to believe in any High-dimensional Demon, so there was no way he could have any connection with the Demon Clan.
As for being possessed by the Lord of Dead Souls, that was merely Lynn's baseless fabrication.
As the protagonist loved by the gods, how could he possibly be mentally controlled by something as insignificant as a Fifth Rank Legend?
The reason he harbored such intense hatred and murderous intent toward Lynn, he speculated, might have something to do with their identities.
Back in the Pantheon, Miss Witch had once commented on him, calling him an impurity incompatible with this world, with an invisible correcting force being his greatest enemy.
Because what he did was alter the fate of the story's characters, derailing their destined futures from the original narrative.