There's not much Pepper can do except watch and wait and hope things don't get wildly out of control. Just because she has plans to stop him doesn't mean she wants to use them.

It looks, for the moment, like Miles is able to withdraw the Walrider reasonably well. They're still visible, but they're no longer the sizable, person-shaped swarm as he staggers back. She takes a step forward and hesitates. There's no way of knowing what's going through his head or what he's seeing, even if the horror in his expression says a lot.

"Good; see, you can do this," Pepper assures him as evenly as possible. "You've got this. You're doing great. Just keep going."