"Very well, open your mind and heart, and I shall transform you into a dark servant..."
Mufeng pointed a finger at the Black Dragon King's forehead, releasing the Dark Bloodline Mark.
This Dark Bloodline Mark was different from the surveillance mark. It was an ability gained through the resonance between the Mark skill and the Dark Bloodline skill. Up until now, Mufeng had only used it once, and that was on his clone.
Chapter 380