C383 Violent Killing
Back then, he had spent an entire five times more time on it. Naturally, he, Yang Danfeng, was not a person with ordinary aptitude, and was one of the top geniuses in Celestial Devil Palace. And for Long Chen to be able to do this, it could only be said that he was a genius amongst geniuses.
When Long Chen used three days to complete the first stage of the Dao-Heart Seed Devil Great Arts