Mega Heracross vs. Mega Garchomp?

Question

So, I have a friend who a rival to me. No matter what I manage to selectively breed, it seems to fall in front of his Mega Garchomp. Completely frustrated, I start IV breeding. And so I originally IV breed a Aron, but, eventually breed a Heracross. It's not a perfect Mega Heracross: it only has perfect IVs in Attack, Defense, Special Defense, and Speed.
Given all this, is it guaranteed that my Mega Heracross will outspeed his Mega Garchomp, or do I need to breed a stronger Mega Pokemon? If I want to substitute, I would aim for a perfect Gengar.

Thanks.

Comments

What levels are the Pokes? And what are their movesets (if you know)?

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I have no idea exactly how high the level is on the Garchomp. But, My Heracross is about at Lvl 62 at the moment, if you need to know, my friend
As for the Garchomp's moveset, I know for a fact it has Earthquake, Poison Jab, and Dragon Claw.
For My Heracross, it has Pin Missile, Earthquake, Close Combat, Aerial Ace, but, this is not the final moveset it will have.

Answer 1

Mega Heracross has a base speed of 70, while Mega Garchomp has a base speed of 92. Chances are, no matter what you do, Mega Heracross is going to be outsped by Mega Garchomp. However there are quite a few megas who do very well 1v1 vs Mega Garchomp, even when limited to XY megas.

Mega Kangaskhan

![enter image description here][1]

Although it holds no type advantage against Garchomp, Mega Kangaskhan is ridiculously powerful. It's parental bond ability means it's attacks all hit twice and have 1.5 times normal power, and it's base speed of 100 allows it outspeed Mega Garchomp when properly trained. Fake Out can provide free damage, Power-up-Punch can allow you to boost or you can opt to hit extremely hard right off the bat with Return or Double Edge. Note that Double Edge is a breeding move, but Aggron is a potential parent that can pass down Double Edge and you seem to have one ready for that. Mega Kangaskhan is just a constantly reliable Pokemon to have. Just watch out for normal Garchomp's rough skin ability, because it could cause Kangaskhan to take 25% damage every time it attacks.

Mega Gardevoir

![enter image description here][2]
If there's one thing that's guaranteed to OHKO his Garchomp, it'd be Mega Gardevoir. At base 100 it also outspeeds Mega Garchomp, but be warned, before they Mega Evolve, Garchomp outspeeds it. It's STAB Moonblast (or Hyper voice if you have access to that) will leave a dent in nearly anything. Be warned that Mega Gardevoir has very weak defense and that an Earthquake from Mega Garchomp could potentially KO it.

Mega Blastoise

![enter image description here][3]

Although Mega Blastoise doesn't outspeed Garchomp or it's mega, it has the bulk to avoid 2HKO from a good portion of its moves and Ice Beam which will likely OHKO it. Dragon Pulse may also be used as it is boosted by Mega Launcher but it remains weaker than a 4x effective Ice Beam and it is a breeding move, making it typically not worth the time.

Mega Medicham

![enter image description here][4]
What Medicham lacks in bulk it makes up for in power. It's Pure Power ability makes it hit like a truck, and at base 100 it may fail to outspeed regular garchomp but it outspeed the mega. Note that on the first turn it's base speed will be 80 and it will likely go last unless you invest fully in speed and this garchomp is a bulkier variant. Like Kangaskhan, Medicham can make up for this initial speed issue by using Fake Out on the first turn, and while it may not have Kangaskhan's bulk Medicham can learn Ice Punch via move relearner, gaining an almost guaranteed ko on Garchomp and a definitely guaranteed one after Fake Out. Note that like Gardevoir Medicham is frial and may fall to an Earthquake.

Mega Gyarados

![enter image description here][5]

Mega Gyarados really combines what makes the previous four megas a solid choice into one package. Like Medicham and Blastoise is has super effective Ice Coverage in the form of ice fang, although ice fang won't OHKO of the bat. Like Gardvoir it has a really solid STAB and coverage combination, and like both Blastioise and Kangaskhan it has a considerable amount of bulk. What sets Mega Gyarados apart is that it can set up Dragon Dance in Garchomp's face, outspeed it the next turn and OHKO with Ice fang and then sweep the rest of his team. It's intimidate ability weakens Garchomp's powerful physical attacks, and Mega Gyarados has such good special bulk that it'll shrug off even a draco meteor with ease. It's easiness to catch, breed and train and lack of necessary egg moves also make it an easily accessible choice.

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What I failed to mention is that there's plenty off non-mega Pokemon that kick Garchomp but. Protean Greninja can easily outspeed it and OHKO it with Ice Beam. Azumarill and Clefable both have great bulk and can one or two hit ko it with fairy moves. Gliscor can toxic stall it out, Togekiss is immune to both it's STABs, the list goes on, but if you're heartset on a mega clash, any of the five above are good choices. Abomasnow, and if you have ORAS, Altaria and Salamence, are solid mega choices as well.

Hope this helps.
[1]: http://img.pokemondb.net/artwork/kangaskhan-mega.jpg
[2]: http://oyster.ignimgs.com/mediawiki/apis.ign.com/pokemon-x-y-version/thumb/9/98/Mega_gardevoir.jpg/228px-Mega_gardevoir.jpg
[3]: http://img.pokemondb.net/artwork/blastoise-mega.jpg
[4]: http://pokecharms.com/data/attachment-files/2014/03/62908_308Medicham_Mega_Dream.png
[5]: http://img1.wikia.nocookie.net/__cb20140605022945/vsbattles/images/7/71/Mega_Gyarados.png

Comments

I'd also suggest Weavile for a non-Mega.

Weavile@ Focus Sash
Ability: Pickpocket
EVs: 252 Atk / 252 Spe / 4 Def
Timid/Adamant Nature
- Ice Shard
- Icicle Crash
- Knock Off
- Fake Out

Survives Rock Slide, Dragon Claw, Fire Blast and Iron Head with Focus Sash, and 2HKOs thanks to priority.

252 Atk Weavile Ice Shard vs. 0 HP / 0 Def Mega Garchomp: 120-144 (65.5 - 78.6%) -- guaranteed 2HKO (both level 50, perfect Atk and Def/HP IVs, respectively)

I think this could be a viable check, if a non-Mega is required/preferred.

Answer 2

It's theoretically possible if his Garchomp has terrible IVs EVs and Nature in speed but on average he's going to outspeed you. If you did want to go the speed route, you could lose the Mega Stone and go with a Choice Scarf instead and run Megahorn for STAB.
But all in all, Heracross just isn't a good check for Garchomp, you should look into breeding something else, Greninja would be a good place to start, it's easy to get on the GTS he'll outspeed Garchomp and Ice Beam will OHKO it especially combined with the Protean ability .

Answer 3

Mega garchomp is definitely a monster, but lemme just say, have you considered mega Sableye? I know it sounds stupid but hear me out for a second. First off, Sableye has a hidden ability Prankster, which makes all status moves priority. Now with that in mind, mega Sableye gets a huge boost to it's defenses when mega evolved and gets Magic bounce. Irrelevant for mega garchomp but put this into consideration. When you mega evolve you still maintain prankster and gain magic bounce for that turn.

Here's a set I'd run

Sableye @ Sablenite
Calm Nature
EVs: 252 Hp 148 Def 108 SpD 4 SpA
Calm mind
Will o wisp
Recover
Dazzling Gleam/Shadow Ball/Snarl/Dark Pulse

Start by mega evolving, hit Garchomp with willowisp, that will practically render it useless, from here you can recover and spam whichever attack you choose. Personally I'd go with shadow ball and fish for a lucky SpD drop. Flinch and SpA lowering are irrelevant in this scenario, dazzling gleam is there as an alternative, but no STAB.

You could also run a physical set and try Foul play, use that monstrous attack against it