He wasn't trying to disobey orders. It was simply too dangerous to blindly enter an underground cave. However, Dong Quan and the others had no choice but to accept their commands. It was different from when Miao Yi was Alliance Master, who at least made room for negotiation. Gu Sanzheng didn't give them any room to negotiate at all.
They could only bite the bullet and obey. They jumped off their dragon steeds and proceeded into the cave. Even though the passageway wasn't narrow, it was not wide enough for a dragon steed to gallop. Instead, it would be rather inconvenient to bring a dragon steed through the serpentine passageways.
The black fox on Tan Lao's shoulder jumped down and led the way as it sniffed around the path ahead. Dong Quan and the other two followed after the fox, with Gu Sanzheng and Tan Lao behind them. Protecting their backs at the end were Yu Baixing and Jia Zifeng.