Thousands of Demons Suppress the Realm, and the Human Race Counterattacks

This is a bizarre fantasy continent. The demon clan dominates the fertile spiritual land with their natural spiritual energy and strong physique. But the human race is driven by the demon race as slaves and kept in captivity as flesh and blood beasts. The human race can only live in this dark world. Of course, the human race also united to resist the demon race. However, due to the naturally weak body of the human race and the lack of martial arts skills, they had no choice but to die in vain. Until a human race named Gu Lingxiao appeared. He was the dawn of the human race, and he was the future of the human race. He led the human race to resist the monster race. He built his own city that belonged to the human race. What? Why does he have so many martial arts skills? Why is he so powerful? Why are the humans following him so powerful?