[Casey quirks a brow. He definitely wouldn't call them demons, but... it's not like he knows much about demons anyway. Maybe they're cool in Hunter's world. He definitely says it with less distaste than he's ever said 'human'... ouch.]

The Krang were... overwhelming. They could infect whatever they touched, turn people and animals into monsters they controlled. The longer they invaded Earth, the more that infection spread. It wasn't just the Krang we were fighting- it was everyone and everything they'd turned into one of their puppets. Even the greatest warriors couldn't stop a whole army by themselves.

[He pauses, then narrows his eyes stubbornly.]

But we tried anyway, and we gave them a real fight. I bet no other world gave them twenty years of trouble.