"Mine was imps." And Strange pulls his vial out as well and shows it to Rocket. The liquid in his vial is lower than Rocket's, but only by a little bit.

"I think these are the things that keep us alive. I don't know how or by what magic, but after I revived, I felt a compulsion to find this thing." His vial was close enough to him, knocked to the side during the attacks, but it was distant enough that Strange didn't have it on his person.

There's a small pause before he hesitantly asks, "Before you revived, did you see that...thing on horseback?"