C441 The Source of Dark Matter

Qin Feng was unfazed, the corner of his mouth lifting ever so slightly. "How can you know without trying?" Wang Yun fell into a prolonged silence before responding with a frosty edge, "I've been tormented by this energy for half a year. It boosts my combat abilities, but it also has a potent corrosive effect."

Interrupting her, Qin Feng urged Wang Yun to clarify. Taking a deep breath