C846 Initial Room

If Qin Loong was not mistaken, as long as he was in a certain room, the Eight Trigrams symbol that he entered through was the same as the one in the room, then he would be able to leave this Phantom Mist Formation.

Later, when Qin Loong checked every door in the second room one by one, he discovered that every door that he came near to would turn into a grayish-black fog