Snake cave. In the game Legend of Heroes, mountain collapse is the secret of martial arts in the game. Players will see a black thing in the snake hole, and give this black thing to the injured person to get the mountain collapse tactic. Legends of Heroes is the masterpiece of the latest PC stand-alone game in Hero Studio, which is personally manipulated by the famous game producer Mr. Xu Changlong, and has a martial arts theme in China, with a high degree of freedom.