Soul gate.

Lu Ming was caught in a special place by the old way of Hunyuan. The dark passage, the light of the rune and the thick gate in front of him made Lu Ming swallow again. Sighing to himself, Lu Ming is quite familiar with this place, which is the secret mansion of heavenly soul.

one Rune and two pithy words.

the door of tianhun secret mansion opens slowly. Lu Ming and the old way of Hunyuan step into it.

Lu Ming thought that this day's soul secret mansion was just the place he found with Cang Yun. I didn't expect that people's sou yuan would have known that...