Well as is following every big tournament, every team has had time to go through the list of champions and decide who they thought were going to give them the greatest chances at winning. Read: Who was the most OP. With M5's hilarious remark about them picking broken champions I think it's safe to say that even the top teams feel that there are champions out there that simply out perform all others and had to be picked or banned if played well or at all. Without further ado, lets look at Hashinshin's list !
I say her first because GOD DAMNIT. She has an amazing team fight, and utility, and support, and AoE damage, and kiting, and poke, and is decently safe in lane. (A lot safer than Karthus anyway.) To top it all off she's a pretty big lane bully as well. Her win rate is *ludicrous* and she's been a first pick/ban against ANY team that even so much as plays her. When PLAYING her makes her a first pick/ban (even CLG.EU who played her only after seeing how OP she was) you know something is wonky. And on that, CLG.EU got beaten by Orianna, played Orianna, then their opponents banned Orianna just to deny it. That's pretty telling right there.
Oh christ. I know DFG is very OP and contributes a lot here, but lets be honest. Give an ASSASSIN the ability to do huge %health damage and you're going to have a bad time. I know that she has a bad lane and is squishy (not really) and bla bla bla but these negatives don't make up for the positive that: A. She snowballs really hard and starts outright 1 shotting people come mid game, and B. She gets a massive %health damage AoE that shields her. Also C. She can stay at longer range than other assassins and can break the slow on exhaust to run away, giving her a substantial advantage on other assassins. If I exhaust Talon he sits there dies and haha. If I exhaust Evelyn she was already at range, breaks the slow, runs away, then comes back later. Also she had a GIANT shield and probably tanked all the counter attack damage. Now we're not even getting in to her immunity to wards to stop her roaming, or her ability to scout.
And lets be honest, every team M5 faced first thought "Haha we can beat Evelyn those other people were wrong!" then thought "no way can we beat Evelyn they were all right!" after getting demolished.
Basically, Evelyn needs to lose her %health damage and it needs to go to a flat damage nuke. This would make it possible to actually itemize against Evelyn for defense. RoA should always be a viable and available defensive item for squishy casters, and assassins should NEVER have an easily available counter to it. Imagine if Talon's ultimate did %health damage instead of real damage. That's Evelyn. Yeah. Just broke your mind didn't I?
Not even gonna discuss this one since Shen has been for months a "when the hell is he gonna get nerfed?" champion. I think every ELO wants him nerfed. He's a lane dominater who transitions in to the best split pusher who has huge map control and, this is key, doesn't even have to use his ult to beat many champions 1v1. He can actually beat many champions top lane 1v1 AND still have his ultimate up to win another lane. He can win two lanes! At the same time!
His poke, his kite, his harass, his damage, his team fighting, his anti-carry. It's just too much right now. Trinity is showing to be an incredibly... broken item if ranged champions can use it due to the fact they get a ranged spam slow. Ezreal once he gets fed (not if, once, he's too good in lane for this to be an if) starts showing up to every team fight chasing down everyone with his spams slow off trinity, out running everyone, and just being ridiculous. Everyone has played against Ezreal by now so I'm sure there isn't even much of a thing to debate here.
I'd really like it if trinity got its slow on ranged attacks reduced to 30% instead of 35%. Frozen mallet discriminates, so should Trinity. Ezreal doing perma slows on range because he can attack so often with his high attack speed + Q spam just leads to him being Ashe with an escape move in many situations.
While I don't think Kog'Maw is likely to get nerfed, I think he DOES need to get nerfed. With Kog'Maw consistently being picked in the face of OP lane dominaters, it's very apparent that Kog'Maw is too powerful in lane to be that good late game. When ridiculously OP champions like Ezreal still aren't enough of a deterrent to pick a more early game champion to survive the lane? You know that champions like Miss Fortune simply aren't going to be enough. This issue simply comes down to the counters are not working. What happens when Ezreal gets nerfed? Corki gets nerfed? Graves gets nerfed? All these early game champions who are SUPPOSED to be shutting down Kog'Maw in lane will be nerfed, yet Kog'Maw who was already laning against them will just get to his late game even easier.
I'mma repeat that again just so people get it. Kog'Maw is currently a case of: The counters are not working. Kog'Maw is currently going toe to toe with his counters in lane (early game champions) and not even losing. As seen in many many teams this creates an aura of "well lets just pick Kog cause why not?" And really, why not? Doesn't lose lane despite being late game, amazing late game. Where is the issue?
Special mention: Sona
I dunno, maybe. I don't think being the best support immediately means you need a nerf, but on the other hand she is tending to out perform other supports. On the OTHER hand people are choosing weird stuff like Zyra over her. ON THE OTHER HAND if Nunu gets banned or Sona gets banned people just ban the other one so as to deny the other team a superior support. Does that make Nunu AND Sona the best supports? I Dunno.
Special mention: Deathfire Grasp.
When Karthus is building a single target damage item you know it's broken. Nuff said. This item is busted. Immediately apon being built you go from "oh he's scary" to "okay he can 1 shot me, and he got 15% CDR for free." I think the changes to this item need to be: %health damage reduced to 20% + 2% per 100 AP from 25% +4% per 100 AP. CDR reduced to 10% from 15%. This item is BONKERS. The fact that its %health damage scales BETTER than %health damage ultimates is crazy. By end game it's not uncommon to see DFGs being tossed around for 1000 damage on bruisers, %health damage backed by %Mpen just breaks the game, and currently that's what mages itemize for.
I'mma say this again. SCALING %health damage that can be bought WITH %magic penetration breaks the game. There is no longer any form of defense you can buy. With 500 AP DFG starts doing 45% of your health. 45%. From an item. There is no longer any defense anyone can put up.
Special note: Item changes *WIIIIIIIIIIIIIILL impact this list.*
I'm going to finish on this note because I feel its important. With Riot promising better itemization, better anti-kite, better AD assassins, it will be apparent that this list might change entirely. If, for example, anti-kite becomes reallyreallyreally good then all of the sudden Ezreal's strategy of Perma-kite will be severely weakened and he might shoot down in power, he might shoot down in power DRASTICALLY. If they nerfed ranged carry items (which seems increasingly likely) then Kog'Maw and his silly powerful late game will take a hit. If DFG gets nerfed maybe (but not likely) Evelyn will be more balanced.
It must all be taken in perspective. When atma's got nerfed M5 went from using Wukong to not using Wukong. Was Wukong changed? No he's actually just been buffed. Likewise, Atma's got nerfed and AD nidalee just fell off the face of the earth until recently. Same item made Renekton disappear. I guess what I'm saying is if that champions are UP yet use an OP item they might themselves seem balanced or OP. If that item gets changed (for example, trinity on ranged or IE) they will shoot way down in power. Another example is when they way nerfed LW+IE way way back when. Tristana went from THE ranged carry because she only needed 2 items to go dominate mode, to being average/bad because now she needed 3 items and her mid game sucks without heavy auto attack damage.
What's more, sometimes CHAMPIONS are released that drastically downplay other champions. Darius got released and that contributed to nobody wanting to play Renekton anymore. Why play lane dominater-lite Renekton when you can play a lane dominater that doesn't fall off by 15 minutes? Likewise, with all the MASSIVE powercreep in how strong mages are levels 1-5 Kassadin suddenly isn't even a safe pick against mages anymore.
So if your plan is to wait for a month and then go HAH, HAHAHA ORIANNA DIDN'T GET NERFED AND NOW NOBODY USES HER! Take other things in to consideration.