Evil helps the wound

[Viktyr Gehrig]

If he's redeemed, he's already popped his alignment restrictions and is free to do whatever he wants.

Hell, he'd probably help the girl just to make up for all he did as a Blackguard.

 

[Ahrimon]

Nah, he's going to nurse her back to health and then listen to her screams as he happily chains her down and burns the house down around her.