So, the main idea for this thread came from a series of videos by
Bird Keeper Toby, wherein he gives detailed descriptions of what he'd do in this situation. It started a bit of a trend on Youtube, and that's the idea I was going for here.
Anyways, lemme dump my second wall of text on you.
If I were a Pokemon League champion, my League would be situated underground. My elite four would consist of real-life friends, and no in-game NPCs. And it would be an Elite Five, instead of an Elite Four, because the first battle is a Double Battle. As you enter the building, you wonder why it's so small, maybe ask at the reception after presenting your badges. The reception would tell you about the Elite Four living underground, and how the entire place is set up like a bomb shelter.
Anyways, after you take the elevator down to the first challenger floor, you see the first two Elites having a mock fencing duel. One of them is a little portly, and the other is kinda short - you might recognize them from my evil team as Rush and Dark. After Rush wins the fencing match, the two notice that you're there, and you're free to walk up and challenge them, even if you only brought one Pokemon. The league would provide to you a level 5 Squirtle for that one battle, so that the game doesn't glitch and you send out Missingno.
Rush's mons would be mainly blade based. He would have an Aegislash and a Bisharp. Dark's would be Dark type, of course, the mons being an Absol, a Weavile, and a Pangoro. One of Dark's pokemon would have Nasty Plot, and that would be the pair's ace.
After you beat them, Rush gives you a plastic card, similar to a credit card, and tells you to swipe it in the back of the room. You do, and Dark fiddles with the panel. Rush says you can use the card in the elevator to get to the next challenge floor, and the two go back to fencing.
The third Elite Five member, who would be giving you your second challenge, comes in the form of CK. His room would look similar to a cross between a laboratory and a server room, and he would have full control over the facility, being the sponsor and tech guy. He applauds you, saying that most don't make it past Rush and Dark on their first try, what with the whole Double Battle thing tripping peopole up. He tells you to get ready for a different battle type, and you break into a challenging stance.
CK's pokemon would be mainly Ice and Ghost types. He would lead with Abomasnow, and follow up with Shedinja, Walrein, Decidueye, and his ace, Froslass. He would use them in a Rotation Battle, switching Shedinja in to block attacks entirely when it would benefit him, Walrein to take out threats to Shedinja, and Abomasnow for a powerful Mega Pokemon. Froslass would have the Z-Crystal, though.
CK again applauds you for taking such an intelligent approach to battling, and hopes it will help you with your next fight, since you're going to need more than just intelligence there. You hand him your card, and he updates it with access to the third challenger room.
The third room looks like a munitions factory. There's no other way to put it. Everything is red, and there are odd, goblin-looking green men working on assembly lines. A slightly chubby man is barking orders at them, and when you tap him on the shoulder, he turns around and laughs for a moment, then acknowledges your tenacity with a Pokemon battle.
This man is, if you hadn't guessed, Drakendite. He leads with an Emboar, a Conkledurr, and a Toxicroak, his style being Triple Battles. In reserve, he'd have a Hawlucha with a Z-Flying move, and a Medicham, which would Mega-Evolve. After defeating Draken, he would pat you on the back hard enough to make you stumble, and get one of his Orky Boiz to run your card thorugh another update, letting you into the fourth challenge floor.
As you set the elevator to travel to the fourth floor, you are treated to warning signs and a general air of "shit's gone wrong, the elevator is falling". This is all a ruse, of course, but the elevator does travel a very long distance downward, and when you reach the bottom you come into what feels like an oven. It is in fact a geo-thermal power plant, wherein you meet a catgirl (a Neko if you want to use
this chart) with long green hair, wearing a yellow sundress. She asks if you're feeling under the weather, offers to see if you have a fever, and you tell her you're just here for a battle. She nods, and steps back toward the generator, sending out her first Pokemon in a Single Battle.
It's a Heatran. Her quote after turn 1 is "Surprised? We're preparing for all sorts of things down here~!" Her second pokemon is Terrakion, her third is Cobalion. After that is a Blaziken, which Mega Evolves, and a Groudon, which undergoes Primal Reversion and has a Z-Ground move. As it turns out, the Primal Groudon was powering the generator, and after you defeat it, the place goes on backup power while Corona updates your card and heals the Groudon. You may take the elevator to the final room, where the Champion awaits. If you didn't talk to the receptionist, you say out loud, "Wait, weren't you the champion?" and the girl responds "No, we're the only league to have an Elite Five, since we focus on the different types of battles you can have."
You take the elevator one more time, worried that you won't be able to leave otherwise and anxious it'll break down again at the same time, and the final room is stark white. A generic logo shows up on the back wall, and you can see the results of a computer's operating system booting up. In the corner of the room, there are two mattresses sitting on top of one another, and on top of those is a man cloaked in a green blanket. You can't see his face, since the desk he's sitting at and the three monitors sitting on top are obstructing your view, but he pulls the blanket over his head, hops off the bed, and walks over to you, Pokeballs in hand.
"Y'know, I always hate it when Corona loses a fight. Makes the power flicker." The operating system boots up fully, and the room is revealed to be a holographic hardlight projector. The man in the blanket sits down on a throne of rock that appears to push itself out of the ground. "Welcome to the final challenge. My name is Giga, and I'll be your opponent. I like Ground pokemon, sure, but there's one thing I like more, and that's having fun with the impossible. I'm sure you're aware of the legendary pokemon that my girlfriend is using, so I'll show you one more. Hoopa, you're up."
I throw the Master Ball, and out comes Hoopa Confined. "Y'know, this little guy is amazing. He can take whatever he wants out of whatever universe he wants. As such, I'm now going to test your limits with physically impossible Pokemon. I wish you the best of luck, and guarantee that this will be your hardest challenge yet. Oh, and don't be afraid of losing - I won't take your money no matter what."
My first Pokemon would be a Golurk, which would start the battle by using Fly, because of course it would. It has Iron Fist as an ability, every Punch move in the game and Meteor Mash (breaking the four move limit), and would be holding an Expert Belt. He would, however, only be Level 70, so you have some solace there. My second Pokemon would be Slaking, and it would have Scrappy for an ability, Belly Drum, Extreme Speed, Substitute, and Drain Punch. It would also be Level 70, so if you've grinded enough, you should be able to take out its Substitutes in one hit. My third Pokemon would be a purebred Missingno. from Generation 1, which knows Water Gun, Water Gun, and Sky Attack. Its ability would be Pure Power, making Sky Attack more powerful, and it would be level 153 or something ridiculous like that. After you defeat Missingno, I would apologize about the health bar wrapping around the screen, fix it up with a broom and dustpan, and send out my fourth Pokemon, Shedinja. However, this is no ordinary Shedinja; it's a Sturdy Shedinja. Normal attacks will do nothing to it - you must use entry hazards, a move like Whirlpool or Infestation that does damage over time, or status effects to defeat it. It is holding Safety Goggles, so weather doesn't affect it negatively, and it has Safeguard, which it uses on the first turn of battle, so you'd better hope you're faster than it. Its other moves are Endeavor, Shadow Sneak, and Aerial Ace, and it's level 100. My final pokemon would be, well, myself, in the style of PokeStars Studio. I would step onto the battlefield, and the challenger would be confused for a moment, until I used Precipice Blades, and intentionally miss by just a hair, in a cutscene. I would be the fastest Pokemon on my team, and would have No Guard for an ability, along with Fissure, Precipice Blades, Catastropika (the Pikachu exclusive Z-Power move), and Recover. My stats would be on par with Deoxys-A, with the difference being swapping my 180 Special Attack for 29 extra Speed, 75 extra Defense, and 76 extra Special Defense. I would have 0 Special Attack, but that's fine. The only things that could possibly outspeed me are a Deoxys-S, or a pokemon with speed buffs, which you would not have had the time to set up, unless you set up way back on Golurk. My typing, by the way, would be Ground and Dark.
I can't think of a method how, but you beat me. The hardlight projectors turn off, and you see that over on the bed in the corner is a guy laughing maniacally. It's the same guy you just demolished, but you can see his face now. He congratulates you for taking part in his experimental battle and coming out on top, despite all odds being against you. As a reward for your efforts, you not only get put into the Hall of Fame, but Hoopa pulls one of the Pokemon you fought out of an alternate dimension and you get a chance to capture it. Missingno, fittingly, would give you 128 more of the item in the 6th slot of every pocket of your bag, but you wouldn't be allowed to capture it, even with a Master Ball - it would break out of even that before the first wiggle.
And there you have it. The second of my walls of text, and hopefully inspiration for someone else to create something in a similar vein.