Great to see some life in here! Sets: I'd definitely slash the Physical Choice Scarf set before the Special one, because it's generally much better. Honestly, I don't think the Rock Polish set is worth more than a mention in OO, since Genesect is really frail, and it doesn't hit hard enough for a Rock Polish set. Mention that Explosion is the only move that threatens Ho-Oh, except for Thunder in rain. Iron Head is particularly useful for Kyurem-W. The whole gathering information thing probably doesn't deserve as big as a mention, but that's a minor, personal thing. Definitely slash Bug Buzz somewhere on the Special Scarf set, since cleaning with Bug Buzz is one of the premier reasons to use Special Scarf in the first place. Other Options: Move Special Rock polish here, and make a mention of Physical Rock Polish. A Sash Lead with 3 coverage moves and Thunder Wave is surprisingly effective too. Zen Headbutt demolishes Tentacruel and Arceus-Fighting, but that's it. Dark Pulse hits Arceus-Ghost hard, but Iron Head is generally a better option. Charge Beam can boost your Special Attack, but it's kinda bad overall. Choice Specs should probably be mentioned too, even though it's not the best idea. Genesect's terrifying coverage makes Expert Belt a usable item. Checks and Counters: Generalize Bulky Arceus'es (is this the plural, idek), since as long as they are not taking super-effective damage from one of its coverage moves, Genesect will struggle. Tentacruel can take anything Genesect will throw at it, bar Explosion (Protect makes this unreliable). Ho-Oh laughs at everything bar Explosion and Thunder in Rain. That's all I can think of right now.
cb definitely deserves its own set :/ mention gastrodon as a counter, as well as Reshiram being able to take resisted hits off nearly anything, as well as stuff like Palkia (checks). Terrakion in sand is another, same with Arceus-Rock. Mention somewhere how it can be easily set-up on by multiple things like Extremekiller as well as DDQuaza if not locked into Beam. Remind me and I'll do more later, this is rushed as fuck by me.
Gastro takes huge amounts of U-turn, and it's really uncommon so I wouldn't call it a counter. I agree with Palkia and Reshiram, but Terrakion and Arceus-Rock are OHKO'd by Iron Head. That reminded me, Excadrill is a great check, only fearing the somewhat uncommon Flamethrower.
Alright Made Gastro and Terrakion as well as Excadrill checks (Terra can outspeed and OHKO with CC but can't always switch in)
Just for reference Zoro, the plural of Arceus would be Arcei. :3 Oh, and I see no mention of Giga Drain anywhere. I know it's not nearly as effective in Ubers as it is in OU, but wouldn't it be brilliant for keeping Genesect healthy on non choiced sets? *shrugs* I'm no expert at Ubers, so please don't shoot me if this was complete bullshit. xD
Well it's ok but it doesn't really provide any coverage and Genesect needs all the coverage it can get xD
I believe Heatran can be considered a threat with STAB Lava Plume and all. Also, maybe you should add a mixed set with a Hasty, or - nature for + Speed nature, instead of just mentioning it, with Life Orb as its item, main investments are in speed and Special attack, with some donated to physical for flexibility.
Spoiler general 120 is pretty low by uber standards lol, pretty much every dragon has 150/120 change it to something like "decent offensive stats that are augmented by download" not really, since it is so hard to get gene where u want it because he is almost always u turning add something about bug being a good offensive typing, especially against m2 and darkrai mention u turn and offensive pressure sets physical scarf should be the primary set as gene is simply better than special ur gonna be spamming u turn most of the time anyway and ubers usually have a higher spdef id slash hasty with naive on all of them since one lets u take espeed, while the other lets u take stuff like spacial rends and what not better remove this as physical should be the main set and any comparison should be done with the physical cs u turn should always be included because scouting is just that useful bug buzz can be slashed next to electric moves, but u are walled by ho oh i dont even know why u added this lol considering abilities are explained on the page anyway thats physical gene's forte, special gene puts more emphasis on his excellent coverage moves listen to zoro and move rp gene to OO mixed lo is just bad ebelt is infinitely better on gene due to his coverage, which means you will try to hit the opponent super effectively ebelt also lets u lets u fake a choice set, which is amazingly useful to net surprise kos, e.g. ferro comes in because u are locked into ice beam, u then flamethrower for the kill i wouldnt put iron head on this set since its coverage is awful OO is 20x more set worthy than rp gene cb gene is more about spamming much heavier u turns giga drain does not deserve a mention anywhere seriously theres no reason to use it for gastro because u turn does a shit ton anyway CC +1 252 Atk Genesect Iron Head vs. 252 HP / 0 Def Arceus-Ghost: 159-187 (35.81 - 42.11%) -- 64.45% chance to 2HKO after Stealth Rock and Spikes good luck switching in, even if u do survive the switch in and subsequent atk, a single (30%) will end u gene is definitely not countered by ghostceus unless u want to run some weird max def spread ghostceus is still a pretty good check, but he is not a counter heatran is the closest thing to a counter because he easily shrugs off most of his moves (hidden power fight and ground are pretty much never used) and can retaliate with a lava plume dia counters physical gene, and can easily beat special gene in the rain steelceus walls flamethrower-less variants and can burn it with wow or just set up on it ho oh can tank everything gene throws at it except explosion +1 252 Atk Genesect U-turn vs. 252 HP / 0 Def Ferrothorn: 129-153 (36.64 - 43.46%) -- 98.93% chance to 3HKO 4 SpA Genesect Flamethrower vs. 252 HP / 208+ SpD Ferrothorn: 216-256 (61.36 - 72.72%) -- guaranteed 2HKO not really, even tanking u turn is a tough task especially since he has no reliable recovery *scarf[/HIDE] if u take nothing else away from this, remove giga drain and move rp to oo ffs this isnt ou looks good a part from this stuff
Physical Genesect without flamethrower dosen't need 252 speed EVs,as it can't do much to opposing Genesect anyways,and 224 is all it needs to outspeed base 95 mons.