血腥传说，勇者无畏。墨燃楚晚宁顶腰叫

　　Atakan is a bloody boulder, a giant granite block, on which pagans sacrificed human sacrifices for centuries. A group of student historians, led by a young teacher, descend into the dungeons of St. Petersburg to find the legendary stone. With each step, the situation gets out of control, only death awaits them. The attack craves new blood. Who will survive?