You're getting better at this, keep trying.

Sinclair hears the thudsplash of a body in a puddle and determines that the coast is probably clear.

And surprise! The stairs are little more than a rock slide. Totally decimated. One frag grenade too many. And then perhaps three or four more. Sinclair walks up next to Jack and surveys the area for an alternative.

"Don't suppose you could telekinesis me up there and I could track down a rope for you?"