Rey Castle could be seen standing in an empty space in the Grand Shadow Castle. The room was devoid of any presence as Rey Castle took a deep breath and sighed calmly, slowly weaving a hand sign.
The runes on the walls began to glow brightly as they spread.
These were the Shadow Runes, created by the Grand Master Leanor himself to control the Master's force during training. They were made under the orders of Rey Castle, who was too lazy to do it himself.
Rey Castle, without his eye patch, suddenly opened his eyes. As he released his Demonic Ki into the air, he felt something strange—like a cursed pressure being released.
"I could master my demonic powers to a certain level. I would like to test their full capabilities," Rey Castle said to himself while staring at his body. His Shadow Authority resonated with the Demonic Ki.
