A Hellhound was a demonic beast that resembled a dog and was almost five meters tall. It was a powerful predator with explosive agility, which came from its massive build, and its skin was harder than steel. Hellhounds were one of the strongest predators even in the First Hell, where Oh Kang-Woo had fallen when he had first entered Hell.

'What is a demonic beast doing here?'

Monsters and demonic beasts looked similar, but there was a decisive difference between them. Both possessed demonic energy, but a monster's main energy source was the mana inside their mana stone. Demonic beasts on the other hand were a demon subspecies, and they moved solely with the power of demonic energy.

"Grrrrrr," the Hellhound growled and glared at Kang-Woo.

Every time the Hellhound exhaled, black flames spewed out of its mouth.

"What the hell is going on?" Kang-Woo muttered.

'How did an entity that belonged to the First Hell get to Earth?'

Even Kang-Woo, the former lord of the Nine Hells, had barely been able to cross dimensions through painstaking efforts. So, there was no way that a demonic beast...