Well, if they'd been in her position, then perhaps they would've considered doing the very same thing.
Because how exactly was she supposed to turn away from the solution to all her problems when it was already so close she could practically taste it?
By then, her draconic half had become nothing more than a constant source of unimaginable pain, something that felt almost insulting considering she'd never been someone who particularly cared for power in the first place. Personal strength had never been her goal.
It had always been her beloved. Being with him was all she really wanted.
So when she realized the map couldn't simply be uprooted from the vault because it required a continuous source of mana to remain intact, she barely gave it a second thought before offering up her own body as its new host.
Not that she truly had another choice.
With so little time remaining, it was pretty much the only path left to her.
