[ Old enough to take her father's place in court, hm? A curious implication of some level of aristocracy or high service, as well as her father becoming indisposed. In the context of a drawn-out war, some guesses could be reasonably made as to why. ]

With your war now at a conclusion, one would hope that avenues of diplomacy are once again on the table. A role you'd wish to revisit, perhaps?

[ Even if the job sucked Lucina's father dry, apparently... ]