Erik is sure on the other side but that doesn't mean he is a god
let me explain he is in heaven but he could no be outside heaven he is trapped there he can not created stars and universes, like a trully supre soul a god can do by his thoughts acording to some source i read
Erik knowledge is limited even when he thinks he knows and can know all, if he is so powerfull then he would tell a book of how to be free from reincarnation