With the souls of the Demon Lords sealed, it was time for the truly challenging part: imprisoning them within the Demon Cages inside their hearts. There was no way to ensure everything would proceed flawlessly, which was why they chose to go one at a time.
The Obsidian Dragon King took a deep breath as he held Harkem's soul within his claw. He focused for a second before thrusting the Dracolich's essence into his chest.
Instantly, the runic formation forged by Vlad inside Merlin's heart came into play. Ancient sigils flared to life, releasing tendrils of arcane power that coiled around the Demon Lord's soul and dragged it toward the waiting cage.
"BOOM!"
A burst of necrotic and deadly energy erupted from Merlin's body as Harkem fought back. A True Depravita could easily suppress such resistance thanks to the overwhelming psychic force radiating from every cell of their being. But things were not so simple for the Obsidian Dragon King.
