"What do you mean by that?" Levina was the first to break the silence as Kai's stared at the sky with dark eyes.
"I never met Kana again after I trained her as my disciple. I visited the animal realm many times after that but I never visited her again. So, I have no idea what happened to her. As for another memory manipulator, it's possible that there is someone like that roaming around since people have forgotten about most of my harem.
While being in the mortal realm, Mia, Sera, and Mariel encountered the Phoenix spirit there and when Sera asked the Phoenix about the elemental ruler of fire, he had said that the elemental rulers were just myths. And since the sins and Archangels had also vanished, the demon and angel clan would have already done something about it.