Slam!

Oh Kang-Woo punched Baek Kang-Hyun's head with a fist full of demonic energy. The blow sent Kang-Hyun flying backward. He crashed into the concrete floor, destroying it as he slid across it.

[Kuh... You sure are full of surprises.]

Even after having acquired a powerful body through fusing with a demon, Kang-Hyun's head still rang from the force of Kang-Woo's punch. He couldn't figure out where someone as powerful as Kang-Woo had appeared from.

[I guess I'll just figure out your surprises until you have none left.]

Kang-Hyun laughed as explosive power surged from within him.

He didn't look like a human anymore, but he didn't care. Nor did he care that he had become immortal and no longer required the consumption of food and water. Kang-Hyun only cared about power—the boundless strength that having a demon's body had brought him.

"So damn sturdy," Kang-Woo remarked with a frown.

His hand was radiating in pain from the punch. It had been a clean punch, but he hadn't been able to deal much damage. That was how strong Kang-Hyun's demon body was.

'I'll have to finish this within a minute...