Capítulo 144: Countdown (20/20), The Clash Begins

Aleron's eyes glinted and he vanished from the secret realm before appearing outside.

Without further ado, he activated his Monitor Dome, covering the entire planet within it, and teleported to the sacrificial site where over a million Mortal-rank demons were gathered, trapped within a dome with a huge magic circle drawn on the ground.

He also spent 50 billion Magilore and created a huge domain covering the Demonic Continent.

He then looked at the gathered demons as his eyes glinted, teleporting 98% of them directly into the secret realm in open ground, and commanded five patrolling Death Lords to contain them.

He left 2% there because they had red and black marks. The demons were desperate, downright in despair at the moment as they knew they were going to die in the worst way. As such, he didn't want to mix those 2% with the rest after saving them.