Duskfire Glacier limitations

faust snarled, feeling the press of her body as she twisted beneath him, forcing his balance to shift. her teeth found his ruff, a firm hold but not a crushing one. he exhaled sharply, muscles burning with exertion.
he did not resist—no, he moved with it, dropping his weight suddenly to pull her down with him. his hind legs braced against the ice, and with a sharp jerk, he twisted, seeking to shake free from her hold and slam his shoulder into hers.
his breath came steady despite the effort, green eyes flashing with something sharp, something pleased. she did not yield. good.