Yeah, I guess so...
I think that master gremlins are strong at the beginning, but when the enemy reaches them, their strength seems to decrease. Magic can help here, of course.
It's difficult for the undead to function AT ALL without resources. Otherwise, you can either upgrade vampires or build liches. If you can't find stones, crystals, or sulfur, you'll have to rely on levels 1-3.
Auto-translated