C320 I Pledge My Loyalty to Lord Lucian

"Severe injury? Lord Lucifer, the injury on your hand is nothing. You fainted because you released too much of the holy power! God knows how you could release that kind of high-level magic that could only be used by Six-winged Blazing Angel. It almost drained all of your magic energy. That's why you've been unconscious for three days."

"The magic energy has been drained?..