"Rest assured. This wisp of energy is nothing valuable."
The voice in black was weak: "Even if I extinguish this energy now, you won't suffer any harm. It's like crushing a soul lamp; the original would remain unharmed... This is a one-way communication technique."
"You just said this Secret Tomb has stolen everyone's 'energy'?"
Ren Zhong's expression grew serious.
"That's right... As expected of the first disciple of Yin Mountain..."
The one in black chuckled: "Every tomb enterer will leave behind a wisp of energy. Even if they die, this wisp of energy doesn't dissipate."
Ren Zhong coldly asked, "What do you mean?"
"Haven't you realized..."