The arrival of the armored hippos further increased the tension and raised a question in the minds of every student.
Why hadn't they started bombarding the beasts outside the wall? The more time they wasted, the more time the beasts had to set up their plans.
[The first thing you should put into consideration, is that the beasts aren't that dumb to setup up things like these if they didn't have ways to counter attacks that would disrupt them.
Secondly, there is a chance that the ash corps are not ready for an all-out war, especially without knowing much of the beast plans and having limited resources.] The system explained.
It would be unwise for the ash corps to fully commit to a battle with the beasts when they hadn't seen a substantial amount of their cards. Besides, the beasts were the aggressors, so the humans did not need to attack them unless they were attacked.