```
"Dark Breath?" Mu Fan savored those four words.
"Uh-huh, it's a martial arts skill that involves inhaling and exhaling, and it's also a skill for self-enhancement." The Fighter retracted the metal short stick and softly spoke to Mu Fan, "For example... watch me."
What happened next made Mu Fan's eyes widen! Breathing... in... out... The previous sound of breathing still lingered, but in the next second he watched as the Fighter in the tattered gray robe gradually disappeared before his eyes—not vanishing directly, but slowly fading away bit by bit under his gaze.
The person just vanished like that?
A sudden voice startled Mu Fan, "I'm still standing here, you just can't perceive me."
"I can't see you, is this the effect of Dark Breath?" Mu Fan asked excitedly, though slightly puzzled, as the skill only rendered someone invisible with no apparent function.
