C1022 Trap?

When they finally arrived at the entrance of the ancient castle, Mo Qina turned around and looked at Sikong Banyu. When he saw Sikong Banyu's gaze indicating the direction of the gate, Mo Qina gritted his teeth and braced himself, placing both of his hands on the door knocker.

"Bang, bang, bang …" A dull knocking sound rang out.

"Creak …" Suddenly, the door slowly opened