C442 Warring the Great Sorcerer of the Black Robe

No matter how meticulous a Blood Burning Magic Formation was, as long as it was used once, the user would lose at least five years of life. Furthermore, the stronger the user, the more blood and vitality the user would have, and not only would the blood and vitality be consumed, the use of a Blood Burning Magic Formation be greatly reduced as well, as well as the potential for cultivation