The many noble houses were laying waste to the facilities while their leaders were doing everything they could in order to find the underground hall. After all, there were multiple meters of soil or perhaps even concrete or some other material between the facility and the hall, which meant that getting to it wasn't easy, even for Titled Knight as they would have to attack multiple times in order to break through, and that was without considering the fact that the underground hall might not be located at where they were attacking.
Still, thanks to the high manpower they had, the families had slowly started finding the hidden rooms where the gray coats were dumping the bodies at. Upon seeing the small room that only had a hole in the ground, they knew they had arrived at the correct location.
