What's the lowest point in all of Fire Emblem? What about the highest?

In your opinion, which moment sticks out as the absolute lowest point of the series? The absolute nadir of quality? Be as specific as you like - can be a moment from a game, or a whole game in its entirety if you can't pick.

Also, what about the opposite - the highest point? A moment so good that you felt FE had reached a new peak of excellence?

For me, the lowest point has to be the dynamic between the Nohrian family in Conquest. The moment-to-moment writing is atrocious, but I doubt even John Updike could have saved the overall arc of the story itself, regardless of the specific lines of dialogue.

Another contender is the entirety of Fire Emblem Heroes. I can't even begin to describe how much that gacha dogshit bothers me, and the influence it has had on the direction of the series as a whole is extremely depressing.

The highest point for me (so far) is when Alm and Celica's routes merge in Valentia. I don't know what it is about that game, but it's far and away my favorite so far.