Lord of Ten Thousand Demon Mountain

What?!

The Demon Kings were stunned. Two more human Kings had appeared, and as soon as they advanced, they had the strength to kill the Diamond Ant King and the Purple Butterfly King. How was that possible?!

Didn't that mean these two female Kings had the potential to advance to Invincible Kings in the future?!

All at once, the Demon Kings present felt suffocated, their hearts weighed down with gloom. Five Demon Kings had already died, which was a terrible loss. Now two more had fallen.

But two human Kings had emerged. As one side's strength dwindled and the other's grew, the gap between them had widened enormously.

Humans and the demon race had been evenly matched. Now, however, the balance of power had shifted. If war really broke out, Ten Thousand Demon Mountain might be routed because it lacked enough top-level combatants.

"Damn it! How could this happen? Those humans are so arrogant. They've killed two more of our Demon Kings. Do they really think Ten Thousand Demon Mountain has no demons left? What the hell are those humans trying to do?"

The Tiger King's expression darkened. Even though it hadn't known the two slain Demon Kings well, their deaths still made it feel the sorrow of a rabbit mourning a fallen fox.

"There's nothing we can do. Although the other side killed our Demon Kings, it happened in a ruin. According to the peace treaty, when both sides are searching for treasures in a ruin, they may fight, and life and death are left to fate."

"Exactly. When searching for treasures in a ruin, we can kill human Kings too. That doesn't count as breaking the treaty."

"We can't say the humans tore up the agreement."

"Besides, we were the ones who made the first move when the