Around eight o'clock last night?
The group did the math and realized the timing almost matched up with when they were sent away from the Underground Palace by the snake people.
"Also, did you guys detonate a bomb underground?" Fu Li's trusted aide asked again, "The collapse of the mining area wasn't that serious at first, but suddenly last night the ground shook, and we detected shockwaves from an explosion! After that, the ground collapsed to that extent!"
Upon hearing this, everyone simultaneously thought of Xiaoyang, who had remained silent and created a diversion for them, and they all fell silent.