Dijiang was not about to give the Northern Nether Thunder Pavilion any quarter simply because Lei Qian'er was his Dao companion.
After all, Lei Qian'er was Lei Qian'er, and the Northern Nether Thunder Pavilion was the Northern Nether Thunder Pavilion; these were two entirely separate entities.
Most importantly, that woman Lei Qian'er had not yet reached the point of truly being his Dao companion. Therefore, Dijiang's words at this moment amounted to laying down his bottom line.
Chapter 835