"That just hides us. Doesn't stop them. We don't even know why they're still here. The world is dead. If they're just here to eat. Why stay? Why not move on to another world with actual life on it?" There's something about it all that just doesn't add up. Something keeping them here. It'd be nice to Solis would get back to them about her portal records, so they could maybe compare them... see if there's something that changed.