at once. Everyone was caught completely off guard and plunged straight down into the abyss!Fortunately, the collapse wasn't very deep, only a dozen meters. Besides a few people injured by falling rock...ouldn't understand why Gu Kaiyuan would leave such an old building on his own estate.Gu Kaiyuan stood at the door, mumbling to himself. The heavy iron gate suddenly creaked open slowly.When Chen Ping...