The actual combat training building in Huanghai Military Academy was stocked with all types of equipment. It had different kinds of training rooms, including gravity rooms, machinery combat rooms, reaction testing rooms, and many others.
Once you became a martial warrior, you would have to face dangers all the time unless you chose not to walk on the actual combat path.
The dangers wouldn't consider your feelings. They could come from anywhere and appear in any form.
Thus, martial warriors had to train in multiple aspects. The rooms in the actual combat training building were designed according to the different dangers.
Of course, there were pros and cons of the training room.
The benefit was that repeated practice could increase muscle memory to a great extent.