C650 Practicing Saint Rank Cultivation Technique!

Su Lang had yet to try the "Blood Flame Sky Destruction" secret technique. After all, it was a risky move that could harm him before it even touched an enemy, and there was no sense in testing it without good reason. Besides, even without trying it, Su Lang could roughly gauge the boost in combat strength it would provide. Without resorting to Doppelganger Devouring