Difficulty at the beginning: narrowly failed

Traveling through parallel worlds, he was almost killed by evil spirits. Fortunately, he awakened the demon-slaying system, and slaying demons can be exchanged for peerless skills.
With his spirit revived, Qin Yang was one step ahead of others, and cultivated the Indestructible Vajra Body, making his physical body invincible!When others have just embarked on the road of cultivation, Qin Yang has already stood proudly on top of the world! ...