Where Is The Lord Of Khaos?

There's no sight of Aeternus and the legions of the house of Khaos no matter how she and everyone looked. The disappearance of Aeternus is one thing. It might be that he somehow made himself invisible but an entire army of millions of demons can't just up and disappear.

The hilarious possibility that Aeternus bypassed the divine plane didn't come across the demon lord's mind because it is ridiculous and hilarious. Anyone that tries to make her believe that a channel large enough for Aeternus and his army was opened for him will fail in the endeavor to convince her. She is not a fool so how can she believe such a ridiculous tale? 

She won't even believe it if someone tells her that a channel was opened for Aeternus alone. A channel for a single demon may have a higher chance of succeeding but it is still far-fetched because it will mean Aeternus had connections within this plane. It is highly unlikely considering that he has never left the 541st plane of the abyss.