that flashed across Long Ruotong's face, Long Jingguo smiled, a smile filled with smug satisfaction."For over twenty years, my sister has refused to tell me the secret I want to know. I've been helpl...ie Cheng didn't dare to open it because he knew the consequences of betraying a powerful being."Chen Ping, even if you open the dungeon, you really can't save your girlfriend. She's locked in a specia...