The techniques of the Vast Expanse School were many and varied, and could be said to be all-encompassing. However, in terms of fundamentals, they were different than the magical techniques of the Mountain and Sea Realm. Instead of being driven by the energy of Heaven and Earth, they were driven by the energy of the Vast Expanse.
Cultivation in the Vast Expanse involved breathing techniques to absorb its energy, and resulted in forming a unique great Dao.
After he became an Inner Sect disciple, Meng Hao's seven-year-old clone resided in a special residence set aside for him by the sect. He rarely left his home, and as such, didn't know much about the outside world.
But that changed after a year passed. After only one year of practicing cultivation, Tribulation Lightning descended on Meng Hao's residence. It destroyed the house and shattered the courtyard, and caused widespread shock among the surrounding disciples of the Ninth Sect.