"Yeah, I'm a lil worried that if that thing shows up, the one a few people dreamed about? This is most of the population of the city underground with only a couple of exits. I know we got a teleporter but that is a lot of people. We got someone with abilities that can reinforce this exit once it's cleared?" Or is everyone out there fighting.

He climbs over a big rock to start removing some smaller ones. He's trying to avoid that bigger one causing a landslide of some sort.