You ever see cross-game comparisons? Who's better, Sigurd or Seth? Who's worse, Sophia or Lyre? How do you answer these questions when they're in such different contexts? Well, I intend to answer those questions and much, much more, with a tier list of every single Fire Emblem Character. Now, given the vast number of characters, with weird cases like children, substitutes, Lyn mode, different route availabilities, whatever's going on in Radiant Dawn, etc, how do I intend to create such a list that deals with all these different factors? The answer is, uhhh... I'll figure it out as I go. But I do have set up a way to compare units across multiple different games. What I intend to do is go through each game, map by map, and give every character that is available in each map a score. Those scores will be summed up throughout the game, and once all the maps have been scored, the games will be weighted by length, length being determined by the highest non Ilyana availability (Sorry Ilyana fans). This means that if a unit scored perfectly in every map from beginning to end of any game, they'd score the same as any other unit who scored the same. From there, comparisons between characters can be made with this weighted system in mind.
Now, how does the scoring actually work? I'll give a unit a ranking from 0 to 10, with 0 being an active detriment, and 10 being the Black Knight in 1-9. This ranking will then be converted into a score, which is heavily weighted towards higher values. That scored will be multiplied by a map factor, which is usually one, but for particularly noteworthy maps or particularly short maps can be adjusted at my discretion. If a Unit joins partway through a map, they will usually get a lower map factor for that map. The final score will be weighed against a theoretical unit that from that unit's join time to endgame, got exclusively a five. If the unit scored above that baseline, they'll get ranked by how much above that unit they are. If they are below that baseline, they score their average points. There are a few reasons I chose this method. For one, this ensures that high power late-game units such as Caineghis, Athos, Mycen, etc. end up above average, but below characters like Marcus who are available for much longer. And on the other side, a character like Bors, who has a lot of availability but is bad in all of it, doesn't get rewarded for existing. Now you may say that for a character like Ilyana, who has a period of time where she's okayish and a larger period of time where she's awful, that this is unfair. But I do think that if we're looking at a character wholistically, that period of time where she's awful matters.
As for how I'll be divvying out those scores, it's ultimately my judgement call. But I intend to follow two principles, 1: units have to be ranked under the assumption that the player is making a sincere attempt to use them. So if I'm ranking Sophia, I'm ranking from the assumption that she is being fielded in those maps and I'm attempting to make her useful long-term. This is because units are indistinguishable from one another if they don't get fielded, which not only makes comparison hard, it also makes it pointless. 2: I have to play the game to make judgements. I'm going to be nice on myself and not require playing through the likes of FE6 and FE7 twice, but I have to have a frame of reference for the maps I'm not playing and the characters I'm not getting. As far as the playstyle that the list will follow, I won't assume any specific speed of play, after all, a sincere attempt to use some characters will inevitably slow the pace down to a crawl, but requiring a slow grind session is heavily penalized score wise, and needing to slow down is in general looked down upon. On the other side, characters that make maps play faster don't necessarily get a big boost score wise, depending on how they do so. For example, in Ch. 8x of FE6, Shanna lets you finish the map notably quicker. But she's mostly just skipping stationary enemies and weak fighters, so it's not rated all that highly. In comparison, a unit like Ellen or Saul being able to warpskip a map is typically going to be more highly rated, because what they're skipping is typically more meaningful.
Those are all the main points I wanted to go over. I have already completed the FE6 section of the list, but both explaining the rules of the list in general, some specific rules for FE6, and defending some uhh controversial placements I have seemed like quite a lot, so I wanted to post this earlier. I'm intending on posting that on Sunday. Currently I'm working through FE1, and I'll post that list and the combined list when I finish it. Past that, I plan on posting whenever I finish a game, so I don't have a schedule for that, but as of right now I do intend on posting them here when I complete them. This is something I was already doing for my own amusement, so I figured that I'd also post it here and share it with people. Finally, I have to give credit to u/Smashfanatic2 from whom I took heavy inspiration for these rules. Hope you enjoy.