Under sect master's Wang Tian's order, the whole sect began to mobilize. All the disciples returned to their cultivating mountains, all the Supreme Elders, Great Elders, and Elders stood in different positions to activate the Emperor Formation.
A beam of energy came from all the mountains in the sect heading straight into the sky, then they connected together. Following which, countless interlocking runes formed a dome-like shape--at the intersection of points of energy--that covered all the floating and non-floating mountains of the sect; the formation essentially covered the entire Dao Opening Sect.
After everything was ready, Wang Tian motioned his son that he could begin, and Wang Wei did so. After sitting cross-leg in the floor, he adjusted his state in just a few minutes, then began to attack the 13th Layer barrier.