After emerging from the spiritual retreat, Gu Chen first returned to Yan State to ensure that his second uncle's family was all safe and sound. Then, he headed to the Jing Tian Department in East Province, joining forces with the Tower Supervisor of the East Province's Jing Tian Department and another Xiantian Realm commander to visit both the Tianyun Sect and Purple Extreme Sect.
These two top forces were extraordinarily powerful, with two Xiantian Realm martial arts grandmasters stationed within each sect. Though outnumbered, Da Xia had the advantage because the Tower Supervisor from the East Province's Jing Tian Department was so formidable he could take on two opponents alone.
It's not that just anyone in the Xiantian Realm could become the Tower Supervisor of the Jing Tian Department. Why do you think there were only twelve such Supervisors in all of Da Xia?