Chaos [4]
August's body disappeared from where he stood, but he was still in the exact same place. To make it absolutely impossible for him to escape, Noctum separated him from the true reality and placed him inside of a realm of Eternal Darkness.
That was a place where mana did not exist outside of Noctum's own control, and nothing aside from darkness itself could survive. August would not be directly harmed by the environment, but it was uncertain if he'd still be the same person when he once again saw the light of day.
The nature of that space that refused to change was somewhat similar to the outside environment as well.
Though the majority of them were too far away to actually witness what happened, every single genius in the vicinity heard the booming voices of those ancient Holy Dragons clearly announcing why they'd arrived.