C669 The Four Great Monsters of the Heaven Realm

"If your body is not strong enough, then the casual use of Essence will cause the veins in your body to be unable to withstand it. This directly limits your ability to use martial skills, the might of rank 1 martial skills."

"As for the Heaven Swallowing Python's blood, that is simple. I have added the Heavenly Star Grass which can neutralize the corrosion of the Heaven Swallowing Python