On the one hand, putting a bolt through Dusek now would help her greatly later. On the other hand, killing him with help wouldn't allow Aryn to test her magic against his. Her life was a high price to pay just to find out how far she'd come, but if she wasn't progressing her life wasn't worth much anyway. Aryn calmed her nerves and continued to watch. No matter who won, Aryn would need her focus to be pure.