Here's my picks with plenty of commentary below:
Champion Tier
Ra
Fanatic
Tachyon
Tempest
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Fanatic
Tempest
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Tempest
Tech Tier
Writhe
Benchmark
Unity
Parse
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Writhe
Parse
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Writhe
Mystic Tier
The Harpy
Nightmist
Visionary
Argent Adept
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Nightmist
Argent Adept
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Nightmist
Martial Tier
The Wraith
Expatriette
K.N.Y.F.E.
Setback
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The Wraith
Setback
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The Wraith
Conqueror Tier
Infinitor
Kaargra Warfang
Citizen Dawn
Progeny
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Infinitor
Citizen Dawn
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Citizen Dawn
Cunning Tier
Baron Blade
Kismet
Miss Information
Ermine
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Baron Blade
Miss Information
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Baron Blade
Eldritch Tier
Lifeline
Blood Countess
Gloomweaver
Biomancer
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Lifeline
Gloomweaver
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Lifeline
Bruiser Tier
Plague Rat
The Operative
Bugbear
Spite
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Plague Rat
Spite
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Spite
Final Round Fighters
Tempest
Citizen Dawn
Writhe
Baron Blade
Nightmist
Lifeline
The Wraith
Spite
Final Round Winners
Citizen Dawn
Baron Blade
Lifeline
The Wraith
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Citizen Dawn
Lifeline
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Lifeline
I had Lifeline win because my guess was that the point of the story (other than selling a ton of comics) was for Lifeline to prove to Jansa and everyone else that he's a hero now and can protect the world from OblivAeon instead of just destroying it in the hopes that OblivAeon would ignore it then. (I just realized Deadline's plan was basically to have the Earth play dead.) I think the fact that he's in the villains' bracket despite using his hero name indicates that the transition is still taking place, and this contest would be a great place to show his transformation into a hero.
My next priority was having one member from each hero team (Freedom Five, Dark Watch, Prime Wardens, and Void Guard) in the Final Round. I'm not sure to what extent people are fans of hero teams as opposed to just individual heroes in the Sentinel Comics Publishing universe, but it seemed like the writers would have wanted to do their best to give everyone someone to root for through the end of the contest. I mentioned in an earlier post, that this was my main reason for giving the Martial Tier to The Wraith, despite the fact that I think Mr. Fixer would win if we were just considering the combat aspect. Writhe seems like a sure bet to win Tech Tier, with only Parse possibly threatening him (but she has no team to represent). Tempest was my Prime Wardens representative partially because Tempest is my favorite (as I told my friend, "Tempest is my boy! Well, technically Tempest has no gender.") and if The Wraith won Martial Tier, that left Nightmist or Harpy as the only possible representatives for Dark Watch, and I had to give that one to the teacher rather than the student.
As far as the rest of the bracket, my main focus was on creating interesting stories, although there are a couple things I might change. I really didn't want to have Haka lose right away (my first draft had him winning the Champion Tier, since he basically can't die, but then I realized these aren't going to be fights to the death, so it became much less of a factor), but Ra vs Fanatic seemed too good to pass up, especially just before their touching scene in the OblivAeon event. I think Fanatic is capable of going toe-to-toe with Legacy, and with her passion, she's not going to give up, while Legacy would be willing to give her the win. Despite Void Guard being supposedly OP, I also wanted to set up a Tempest vs Tachyon rematch. Finally, I figured Tempest would beat Fanatic if only because lightning beats flying.
Tech Tier seemed like the easiest to fill in to me, and there seems to be a lot of agreement with that one on here. I don't see how Bunker could possibly do anything to Writhe. Benchmark vs Absolute Zero is basically showing off the cool new suit vs the old cold suit and they wouldn't want their new hero losing right away. Unity vs Omnitron-U could be a little tricky since they wouldn't want to fight each other, but if they did, Unity could literally rip Omnitron apart. Sky-Scraper is awesome, but Parse would find some weakness and take her down.
The main question with Mystic Tier was Nightmist vs Harpy or Doctor Medico vs Idealist? I originally had Idealist taking the whole tier (she's another of my favorites and ridiculously powerful) but then I decided someone from Dark Watch needed to take this tier. Also, the teacher vs student matchup seemed more interesting than the father vs daughter matchup. Doctor Medico just wouldn't do anything to hurt his daughter, which makes for a boring fight. For the rest of the tier, we know Argent Adept vs Visionary is canon, so that's basically all there is to it. Another reason I had Nightmist win this tier was to make the impact losing her even greater.
I'll spare people my Martial Tier analysis, since I talked about it at length in a previous post.
The problem with the Conqueror Tier is that Progeny could probably easily take the whole thing, but that would be boring. The Progeny event just happened not too long ago, he's about to be coming back with OblivAeon, and he doesn't talk. As those of us unlocking the Freedom Five variants right now know, there's only so much Progeny people can take. There's no way Apostate can beat him, but Citizen Dawn is both extremely powerful and I think popular, so she seemed the best choice to both beat him and take the tier. I don't think Chokepoint could do much to Infinitor since he doesn't use any metal. Zhu Long could probably destroy Kaargra if he tried, but I don't think he wants to be fighting here and would rather just go home, whereas this is Kaargra's thing. Infinitor's manifestations are then too much for Kaargra to handle (although the panels of her fighting off hordes of them would look pretty sweet) and we're left with Infinitor vs Citizen Dawn. He should ask K.N.Y.F.E. what happens when you bring light-based weapons to fight Citizen Dawn.
Between his popularity and lack of real challengers, it's pretty obvious that Baron Blade wins the Cunning Tier. What is The Chairman even doing here? I'm assuming Jansa didn't bring the whole Organization. Without that, he's just a guy who's in excellent shape for how old he is. Miss Information is the only other real threat here, but Baron Blade would beat her because of popularity if nothing else.
Lifeline obviously had to win the Eldritch Tier if I wanted him to win the whole tournament. Getting to fight other blood magic-based enemies fit well. I'm really not sure how Biomancer beats Isis (Isis by herself without the rest of the Ennead wouldn't be too much of a threat, but what can Biomancer even do in combat? Maybe it's not really Biomancer, but a fleshchild with combat skills.) but I wanted to set up Gloomweaver vs Biomancer as a nod to the ongoing battle in the meta-narrative of the Letters Page. Maybe that's a thing in the Sentinel Comics Publishing universe too.
Finally, the Bruiser Tier is the one I'm least sure about. I had Spite win to give The Wraith a rematch against her nemesis in the finals and because based on the card game decks, I think he's the hardest of these villains (he's the only one who's not part of Vengeance mode). Bugbear should beat Proletariat no problem and it would look cool to see the savage beast tearing through a bunch of clones. For the rest I went with the idea that Plague Rat is immune to The Operative's poisons, but I think I would change this. For one, I think the writers would have The Operative at least make it to the end of the tier if not win it, because she's probably the most interesting of this bunch and probably has a lot of fans. I also might have Fright Train beat Plague Rat. Being able to communicate is important to break up the monotony of battle after battle, and while neither of them are great at this, train puns are a slightly higher form of communication than growling.
Sorry for how long this was, but I love talking about Sentinels stuff. If anyone still has questions or comments after all that, please ask!