User blog comment:Emptylord/Blogs/Sid Meier's Civilization: Runeterra/@comment-25050130-20160103190219/@comment-3974211-20160103212137

Mordekaiser was resurrected and empowered by the Ruination, but he does not care for their agenda and his own historical empire/lore is more interesting as a separate civilization. He isn't the leader of the Shadow Isles.