C910 He Never Traded with Traitors

All of a sudden, they heard such a sound in the silent space. This caused the hairs on Ying Tianxiong and Shao Linfeng's body to stand on end. Their hearts were filled with fear.

After all, such a secret place was the secret of Ying Tian Academy. Even the two of them barely knew about it not long ago. Therefore, they couldn't reveal it to anyone