Top Ten Pokémon Omega Ruby and Alpha Sapphire Mega Evolutions

A list of Mega Evolutions from Pokemon Omega Ruby and Alpha Sapphire.

NOTE: There are 21 (23 counting Primal Kyogre and Groudon) new Megas in ORAS and you can add the remaining 11 if you wish but please do not add the X and Y Mega Evolutions. I will also add the locations for the stones so if you have Omega Ruby or Alpha Sapphire you can get them in the game.
The Top Ten
1 Mega Rayquaza

This Pokemon does not need a Mega stone to Mega Evolve. At some point in the post-game Delta episode, a person named Zinnia leads you up the Sky Pillar to summon Rayquaza which has saved her people many times over from Primal Groudon and Kyogre. Once you have captured Rayquaza, Zinnia will teach it it's signature move, Dragon Ascent which enables it's Mega Evolution.

Definitely the best mega (it was banned from the OP tear because it was to powerful

Yeah, I think you all know what my opinion on Mega Rayquaza. It's the best Mega ever

This just might be the strongest Legendary Pokemon OF ALL TIME!

2 Mega Gallade

How to get Galladite: You can get it from Professor Cozmo after the Delta Episode.

He is awesome!

3 Mega Mewtwo
4 Mega Diancie

How to get the Diancite: Obtain Diancie in some form (trading, event, etc.) and put it in your party. Then go to a Pokemon Center and 2 men will walk inside. You will be asked If you want to give your Diancie to them and after answering it a ninja boy will walk inside. He explains that he used to want a Diancie but now he wants other Pokemon instead. He will then hand you the Diancite.

5 Mega Salamence

High speed, special, and physical attacks. Makes it a really powerful mega evolution. Also it is a Pokémon with a lot of move sets to counter its opponents, who are super effective on him. He has an ability called aerialite, which is to change normal type moves into flying type moves. Which means his powerful hyper beam, and Giga Impact are flying types destroying all fighting and ground type Pokemons

One of the best mega that I love. I couldn't get the game ORAS but I know it will be my main mega evolution pokemon if I just had it. Its ability aerilate along with giga impact or thrash can be quite dangerous. It can certainly defeat any legendary and can withstand ice type moves even it is 4x

Oh aure, you couldn't think of something for Flygon, but you could make Salamance a crossant. So where's Flygon, HMM? Shiftry, Ludicolo, Doniphan and especially Tropius deserve me gas more than Salamence! They just wanted to give Drake a mega, give him Altarianite! And give more love to someone who DESERVES IT!

How to get Salamencite: After the Delta Episode, talk to Zinnia's grandmother in Meteor Falls.

6 Mega Sceptile

How to get Sceptilite: If Sceptile is your starter, you will get it on Route 120. If it isn't your starter you can get it from the Stone Salesman on Route 114.

I love this mega evolution and I love that it adds a new type. Its also really powerful.

Mega Sceptile with Leaf Blade, dual chop, false swipe and x scissor is my go to.

7 Mega Blaziken

Same rules as Sceptile. And Swampert.

Its kick is amazing!

Op blaze kick

8 Mega Sableye

I hate to vote on my own list but the comment I posted didn't show up. Anyways, here are the instructions for getting the Sableyeite: You have to go to Sootopolis City. I can't remember the exact location there.

9 Mega Swampert

is a beast

His ability is AMAZING!

He's just Powerful.

He's just the best

10 Primal Groudon

In Omega Ruby, during the game, you will encounter Groudon in its Primal form with the usage of the Red Orb. Capture it and the game will progress from there. In Alpha Sapphire, you will be entrusted with the Red Orb even though you will capture Kyogre. The reverse is in Omega Ruby.

The Contenders
11 Mega Altaria

How to get Altariaite: In Lilycove City, show the collector your Altaria (if you have one.)

A embarrassment to dragon types.

12 Mega Aerodactyl
13 Charmeleon
14 Mega Lucario

He's my mega evolution but you can only obtain lucarionite by beating all Pokemon contests

15 Mega Beedrill

One of the best sweepers I've had on my team.

16 Mega Metagross
17 Mega Steelix
18 Mega Lopunny

It is an amazing sweeper and can take out almost all of the Pokemon on the list ahead of it

19 Mega Alakazam

Beard of Wisdom+Spoons of greatness

20 Primal Kyogre

Origin pulse destroys everything and aqua ring is a great healing move. Ice beam destroys dragon types, and earthquake is good to have in general. If your kyogre isn't primal evolving, make sure you give it the blue orb.

21 Mega Camerupt

How to get Cameruptite: Omega Ruby: Magma Hideout after the Primal Episode Alpha Sapphire: Battle Resort

22 Mega Charizard X Mega Charizard X is the second Mega Evolution of Charizard, introduced in Pokémon X & Y in Nintendo and Game Freak's Pokémon franchise.

Looks awesome, changes into dragon type, and has awesome attack stat.

23 Mega Gyarados

Is really powerful my oneshots everything and is not shiny because my gyarados has attak power of 342 not mega evolved speshaildefense is low for gyradoses mine has165 though

24 Mightyena Mightyena, known in Japan as Graena, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise.
25 Dedenne Dedenne, known in Japan as the same name, is a Pokémon species in Nintendo and Game Freak's Pokémon franchise.

Cute powerful yup pretty awesome!

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