Castle of Black Iron

Thousands of wing demons were flying around the encampment of demon army working as patrollers and guardians in the air.

Inside the demons’ encampment in Force Province, demon knights were accessing to the holes on those beehive-sized battle fortresses. Besides, many demon knights were on the alert in the surroundings. Only with a glance, Zhang Tie had spotted at least 1,000 demon knights outside the encampment.

This encampment gathered at least 70,000 demon knights. There were over 500 demon corps over the 600 square miles’ land. It was said that two demon abyss monarchs were guarding here too…

Zhang Tie didn’t directly rush over there, instead, he stopped over 400 miles away from the encampment. Licking his lips, he instantly released his terrifyingly powerful spiritual energy into the endless sky. In an instant, the two separate mysterious energies in the sky started to surge and gather within Zhang Tie’s spiritual control like water flooding out of a sluice gate…