The Sword Emperor replied in a deep voice. Even though the Sword Emperor belonged to the Human Race, he acknowledged the Demon Emperor's strength in his heart.
Tear! Tear!
The three continuously tore through space dozens of times. Following that, a massive city stretching hundreds of miles appeared before them.
The entire city was blood-red. Countless streaming array patterns on the city walls emitted terrifying fluctuations, and when activated, they could surely shatter the heavens and fill the seas.
If scrutinized closely, one could find that the city was composed of seven parts, perfectly merging together without any flaw.
Within the city, numerous human powerhouses moved back and forth. This place was the frontline in the battle between the Human Race and the Restricted Area demons.
"This is the Black Iron Fortress. Let's go down!"
