[Oh that...that poor dragon. Bravery it didn't lack, but she was still a little unsure about proceeding into a menagerie with a wounded animal. The question though...yes that might work! She can absolutely do that.]

It can.

[Looking at Toothless, she murmurs low for him.]

We're...going to try something. It will hurt, but it will save your life, if it does work. Do you understand?

[Regardless of his answer, Mars will hold up her hand and call more flame. She'd empowered Haruka's sword once, adding fire to the sky there, so this wasn't anything.]

Pass it over my hand, then do what you need to do.