She shakes her head, back and forth, back and forth.

Her hand is burning.

"I do not kn -- "

The ground quivers.

X looks up at Thor, then, eyes widening.

"I think we need to leave. They do, too."

Fortunately there is a fire alarm within easy reach. X pulls that, ignoring the ink that sprays across her hands, then yanks open the lab door.

"Something's wrong," she says. Overhead the fire alarm screams. "You guys, we've got to get out of here."

Some of the students start audibly wondering who this girl is, but drills and a severe lab technician mean they're already grabbing keys and heading out the door.

X follows, flicking a quick glance at Thor as she does so.

They can talk back on street level. Away from crowds of strangers.

Right?