I figured that was that problem, I've heard about that from a few other people. Definitely a bit of an unintended interaction. In the later beta builds I fixed the issue in a few ways. It won't use that attack as much anymore and I adjusted damage formulas so that changes in ATK and DEF won't completely nullify damage. So It won't be an issue once v0.3 releases.
As for how to deal with them in v0.2. Best bet is probably to burst them down with the pistol. There's also an accessory called the "Cryptid's Ring" that gives a skill that removes ATK debuffs. You can find it on the eastern edge of the forest in a cave. Though I think in v0.2 it only removes 1 debuff stack so it might not be as effective.











