SnakeFighter64
Smash Obsessed
Well, that explains Fire Emblem, but it still dosn't explain Xenoblade and Final Fantasy.It's generally because the games mostly tell complete stories, wherein the endings offer a sense of closure. Like by the end of Mystery of the Emblem Marth has already permanently killed Gharnef and Medeus, and then became the ruler of the entire Archanean continent. There was nowhere else for his story to go.
That and the series tries to keep some level of realism. Like yeah, dragons and magic exist, but that comes with the territory of a fantasy story. The same group of soldiers fighting nine consecutive wars is much less believable.
If only the Fire Emblem protags could all be condensed into single slots like
It is still frustrating that in order to properly cover the series in a game like Smash, they'd need an amount of characters in double digits. Not even Pokemon feels like it needs that.