This Demon Sect Leader Is so Fierce!

Su Yuan traveled to the prehistoric world, which was still the prehistoric world in the apocalyptic era. I found that I had awakened the Holy Qiankun Kung! I also accidentally got a Shura system! This system actually uses killing to prove the truth! There is great catastrophe everywhere, with thousands of races and gods and demons dancing wildly. This is an era of absolute chaos, and Su Yuan was chased by the saint at the beginning. Was she insulted by him? How could an upright gentleman do such a thing? But unexpectedly, he was recognized by someone from the Demon Cult, and he turned out to be the missing Demon Cult leader! The heavens were shaken, and all the gods in the world were stunned! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.