When Aang lifts his shirt the soldier leans forward to take a closer look at the bandage before nodding in approval. With what resources are to be found in this place it's as good a field dressing as one could hope for.

The marker goes back to a new piece of paper, words splashed across it in royal blue.

Good. I was taught at about it at the beginning of the arena.

Luckily for Aang, Bucky hadn't expected to need to use the technique so soon but it had worked well, as the boy pointed out, to say he had no proper materials.