In the critical moment, it was ultimately up to the base's artificial intelligence, Gaia, to take over the base's defense system.
First, they locked down the opponent with heavy firepower to provoke a loss of control, so they could lead the now irrational enemy to the ammunition depot and blow them up.
Even that Second Rank Life, the Mutant, wasn't strong enough to withstand modern heavy firepower for long, or it wouldn't have been provoked into losing control.
The monster before them, however, had withstood the impact of well over a hundred thousand bullets.
Even this group of Monster Beastification Transformed People thought the opponent was ridiculously over-the-top.
It was a level of exaggeration beyond the comprehension of normal people.
The endurance and resilience of the body were outrageously high!
The material of the Small Tachi was too strong!