It's impossible to tell which part led to the low disgusted noise, that this place requires more than just the two of them, or the presence of noncombatants. Or more likely, both. Maybe they'd just need a third, which was currently lacking if this convoy is full of people who can't fight.

How they wound up with the dregs of the other tribes he didn't know.

"Of course they can't fight. Can they do anything or are they completely useless?" He doesn't bother to question why Serph's picked up a pile of losers, that was pretty normal of late instead of just eating them. So much so that Heat's not even going to bother arguing against it aside from very clear disapproval, pointing out they're better off eating the weakling members won't get him anywhere.

For now, whether or not this was the Junkyard or Nirvana or neither, Serph's word is still law. It might annoy him but he won't outright disobey without far more behind it than annoyance.