I don't let CoL PCs fuck around with their builds between fights, same with FE8/etc. and other completely irrevocable decisions.
Oengus vs. Kraken (FF1): Kinda similar in their games. Kraken's faster, though, and kills in one less hit to me as well (damage edge is notably greater than Oengus' durability edge).
Oengus vs. Garnet (FF9): This feels like a horrific curbstomp.
Oengus vs. Arnaud (WA4): Holy shit, why is someone nowhere near the Heavy border being fed to Arnaud?
Oengus vs. Starraptor (Pokemon): Staraptor can do... 37% to both itself and Oengus with Brave Bird, or 24% (with downsides) using Close Combat, or 19% with Aerial Ace. Endeavor's first turn also helps (25%). Oengus... just plain 4HKOs at base, thanks to Intimidate. Staraptor does have a 5-4... but Oengus should land a knockback before that happens (or ID, which is obviously worse), so it's not relevant. Still, it's a long fight... so could Growl help? Nah, not really, it's just a trade of turns. Staraptor just doesn't seem able to win in less than 5 turns, Endeavour is just innately playing catchup. There's Agility, but again that takes too long to pay off. Staraptor -could- win this, but the odds feel against.
Oengus vs. Gafgarion (FFT): Gaf draining all day long is kinda bad news, and ID is out, so delay is less hypable than above, too. Yeah, there's armour of titans, which reduces Gaf to a mere 6HKO, but Oengus still struggles against the draining. He will kill on his fifth turn if he never misses and isn't doubled by then, AND Gaf is less than 1.14 PCHP. Gaf scaling is murky, but I really doubt all of those are the case.
Oengus vs. Red XIII (FF7): Red is faster, Stardust Ray + 2 physicals is fatal, and Oengus isn't dodging Stardust Ray.
Oengus vs. Norris (CC): 3HKOs, isn't 3HKOed.
Oengus vs. October (CSTW): Death.
Oengus vs. Alexia (WAXF): Alexia... does indeed 3HKO. Oengus gets three turns since lolAlexia speed (I think? Might have to doublecheck due to Strong Heart), but it doesn't matter since Alexia's got enough evade to dodge one attack out of three.
Oengus vs. Kyle (Lunar): As with Norris and Staraptor, Oengus tends to match up well with these pure slugging physical middles. In Kyle's case it's especially egregious as Oengus looks better at everything, even speed.
Oengus vs. Lenora (FF4TAY): 2HKOs. Leonara is so much slower that she only has time for Confuse before bieng instant doubled (-_-). Now, confuse is pretty great! Let's assume it hits. Oengus hits himself... but provided he doesn't ID himself, he easily 3-2's and finishes the job. Never mind. Except... wait, missed Blink, Leonora can cast that and survive. It's still really ugly because she'll have to keep on casting it, but she should sneak in the odd extra turn this way and heal, then sneak in another and land mini or something.
Norah vs. Kraken (FF1): Norah 6HKOs, Kraken 3HKOs. But... that speed game. After the opening Lull/Kraken physical trade, she should have little problem tripleturning constantly if I'm reading things right (Charm Time + that level of speed debuff = yikes). Which means she gets in her six hits before Kraken gets two more, and that's disregarding the fact that to me paralysis kicks in on turn 5 so she only needs 5 turns.
Norah vs. Garnet (FF9): She's not stopping Garnet from getting two kicks at the Odin can.
Norah vs. Arnaud (WA4): Heh, well, these two are kinda similar, with the super-potent slows and all. It's possible that Norah can claim the speed advantage here, due to Quick (depending on how it interacts with Arnaud's slow) and Charm Time, but unfortunately for her she'll never kill ever because of Illusion.
Norah vs. Starraptor (Pokemon): Again, Norah only has a 6HKO here. But again, slow/charm time shenanigans kinda wreck. But Staraptor can stack Agility to escape slow... Agility, Lull, Agility, Quick or something... Norah still gets more turns after that, but is it enough? Probably not, honestly. Staraptor's damage pretty much all has some sort of problem, same with Oengus. 3HKOing with Brave Bird while two of those damage itself is the way to go, I guess, but Norah just needs to get in four attacks before then... and yeah she should manage that.
Norah vs. Gafgarion (FFT): Yeah all the turn shenanigans make Gaf's draining far too rare. He only 4HKOs, even worse than Kraken, which gives her a ludicrous amount of time to power through the draining, paralyse him, get through whatever modest shield hype I consider, etc.
Norah vs. Red XIII (FF7): While Norah can tank and blitz out Stardust Ray... her damage is bad enough that Red gets off Earth Rave, and she can't survive that + Red's opening physical.
Norah vs. Norris (CC): Um yeah this tier of slugger does not scare Norah at all, Norris is just worse than Kraken against fighters.
Norah vs. October (CSTW): Death.
Norah vs. Alexia (WAXF): Alexia misses the 2HKO. That's that.
Norah vs. Kyle (Lunar): See Kraken/Norris.
Norah vs. Lenora (FF4TAY): So, Leonora is so slow and Norah's game so silly that she can use Lull then get two more turns before Leonora's first. Even worse, in order for Leonara to charge anything useful besides Blink, Norah will get her third attack in, which is fatal. Blink would wall Norah except she gets fifty million turns so hahaha no.
Lion vs. Kraken (FF1): Kraken 2HKOs (D-Formation doesn't slow this down) and laughs at Lion's tricks/physical slugging.
Lion vs. Garnet (FF9): Blind sure.
Lion vs. Arnaud (WA4): Illusion.
Lion vs. Starraptor (Pokemon): Lion needs five attacks to kill here, so three turns. Unfortunately for Lion, Staraptor has a 4-3. Lion can open with D-Formation, at least. Staraptor wants to go for big damage fast to make gravity worse anyway, so open with Brave Bird to rip off half of Lion's HP (and do 23% to self but whatever). D-Formation then kicks in. Staraptor can still kill in two more attacks, if the first is Brave Bird or Close Combat. So... Lion only gets in three attacks. He's actually very close to winning, but I think he just falls short.
Lion vs. Gafgarion (FFT): D-Formation is obviously a big help. Gafgarion still kills in four shots, overall, so Lion gets in five attacks. One of those will probably miss, let's call it four. That would be enough if Gafgarion didn't drain, but since he does, I have to think Gaf takes it.
Lion vs. Red XIII (FF7): Red is faster, is getting some sort of decent limit, and hell is close to winning without one.
Lion vs. Norris (CC): Yeah, Lion's type of opponent.
Lion vs. October (CSTW): EDIT: War Cry.
Lion vs. Alexia (WAXF): Alexia does actually 3HKO after D-Formation by my numbers... but uh yeah needing to open with Status Lock is very bad. Even worse, Lion could have a 4-3.
Lion vs. Kyle (Lunar): I think.
Lion vs. Lenora (FF4TAY): Lion can't quite kill her instantly, but thanks to hitting twice he doesn't need to worry about Blink, and he can use Alert + opening damage to set up a kill on his second turn while warding off any status. He also 3-2's any status options, as icing.
Leo: about average damage, drains 20% HP, 1.31/1.10 durability, 87% speed.
Leo vs. Kraken (FF1): Leo manages a 4HKO here, thankfully for him. Kraken is faster, though, and 3HKOs... even after two shots of draining, in fact. So uh not that close.
Leo vs. Garnet (FF9): Yeah, no.
Leo vs. Arnaud (WA4): On the plus side, Leo both ignores evade and might well 2HKO! On the minus side, slow/ID shenanigans wreck him.
Leo vs. Starraptor (Pokemon): Leo 4HKOs. Staraptor wants to Agility then constantly double before this happens, that gives it six attacks which should be more than enough even with some draining slowing it down.
Leo vs. Gafgarion (FFT): Kinda similar, but Gafgarion's draining restores more of his own HP, and he's faster. He's probably somewhat less durable but not by enough to matter.
Leo vs. Red XIII (FF7): Stardust Ray + the followup physical would kill Leo even at full HP.
Leo vs. Norris (CC): Norris would 3HKO if draining weren't in play, but it is, so it's a 4HKO instead. Meanwhile Leo 3HKOs, and isn't 4-3'd. Poor Norris, he actually has a borderline 2HKO to me against average, but this entire field is above.
Leo vs. October (CSTW): Yup.
Leo vs. Alexia (WAXF): Alexia 3HKOs through the draining, and Leo misses a 3-2 to reach the 3HKO first. Close in a number of ways, but the result is clear.
Leo vs. Kyle (Lunar): These two are kinda similar outside the fact that one drains...
Leo vs. Lenora (FF4TAY): Leonara... needs Silence to be turn 1, or Berserk to be turn 1 and for Leo to not kill her with a Soul Blade + two physicals. Leo's MDef is bad enough that I have to think silence probably is turn 1... although Leo does get in two physical attacks again before her next turn. That's not enough, though, and she can heal from there. Close.
Norah 7-4. Yikes, the turn output is pretty crazy. Possibly a touch overrated in this field because she faced only one of the things which can spoil her game utterly (limits), but counters similarly wreck her. Her statuses not being immunable to me helps a fair deal.
Lion 5-6. Weirdo. I'm not super-impressed by how slow his offence comes out and how spoilable it is, but he has some tricks at least. He'll get some fun matches in the division, but certainly isn't championship material.
Oengus 3-8. He's decent enough at his one dimension, but the DL has shown time and again that this style of dueller isn't that great. Status, evasion, counters (which notably weren't an issue in this field), or various other tricks, he's not hard too deal with.
Leo 2-9. Ugh. He seems like he should be a bit better than this, but being even kinda slow with no status protection and needing 3 turns to beat most of the division just isn't good. He should never be in danger of downgrading to Light, I don't think, but he's never going to do too much damage in Middle.