{He applies the salve, murmuring ancient words under his breath, calling forth his power to ease the cuts and bruises. The swelling will lessen under his fingers and he waits until her face is more how it should be before he answers.}

Justice is not something to fear. As for what I would do...

{Thranduil takes control of his fury - for her sake.}

I would turn him in for his violence and warn him to never raise a hand against you again lest I take justice into my hands.