[Durzakh crossed her arms in front of her, as though pulling a blanket around herself in a quick motion. Debris from the forest around them, particularly the smaller bones of animals, rose up to swirl around their forms before she began to walk again. Her steps like that of a woman trained to be nobility. Deceptively leisurely and without worry.]

It depends on where the bones are drawn from. Here, it is only those creatures which have become prey for others. Elsewhere...

[She shrugged, a small, almost elegant motion before she raised her hands to adjust the fall of the cowl around her mask.]

It has little importance, really. Why did you flee into the tree? Those things can climb perfectly well, you know.