Scars should not be feared, but the growth of tainted flesh is troublesome. Such beasts may carry poison with them, I'm not familiar with them enough to know... Here. [Maria has a deep desire to care for others, look out for her comrades and the innocent. She's clearly seeing Arya as the former, more than the usually more helpless latter. Reaching to her pocket again, her glove has some glistening, fresh blood on it. It's clearly not her own, it gave off a feeling very different from regular viscera.

If Arya does not flinch away, Maria will bend to spread the blood over her wound. If it makes contact, it's the same effect as it had on the older woman. A strange rush of energy in the body, it may even go to Arya's head for a moment, a sudden and yet short intoxication. The wound would be left completely healed, as if it never occurred at all.]