Zhang Tie was quietly surprised by the scene before him. This so-called Demon Slaying Ground was not much different from the outside world, with mountains, water, and trees.
The only difference was that the mountains, water, and trees here were mostly dark in color—black, deep blue, dark red, and so on. More importantly, there was not a trace of spiritual energy here; pure demonic energy permeated every corner.
Zhang Tie was immediately delighted. Since there was such pure demonic energy here, there had to be high-grade demonic crystal mines. Demonic crystals might not be of much use to other Immortal Cultivators, but to the Indestructible Pearl, they were no different from spirit stones.
This unexpected windfall immediately filled Zhang Tie with motivation. He skillfully released his divine sense and began rapidly scouting the surroundings.
Dozens of breaths later, Zhang Tie had not found any other contestants. It seemed they had been teleported in at random. A few breaths later, his eyes lit up, and he transformed into a streak of black light, flying swiftly in one direction.
Half an hour later, Zhang Tie arrived at a small city with roughly ten million demons.
With a casual glance, Zhang Tie discovered that there were no fewer than a dozen different demon races in the city. Some had horns on their heads and scales on their bodies, some had tails, some had fleshy wings, and some even had heads growing from their abdomens.
Though these demons were not particularly strong, with most at the Core Formation stage and only the occasional Nascent Soul stage demon appearing, they all shared one trait: they were extraordinarily burly, with naturally powerful bodies.
Zhang Tie flickered and vanished. When he reappeared, he was already inside a palace built from massive black stones. Although the palace was