Good Partner for Swampert [Post Game Emerald]?

Question

I'm doing a Swampert solo run in emerald, ut post game I need a Pokemon to help swampert out in double battles (gym rematches) and the doubles battle facilities , here is the set i' using:

Swampert @ Leftovers
EVs: 252 HP / 216 Def / 40 SpA
Relaxed Nature
- Earthquake
- Ice Beam
- Surf
- Brick Break

Just a Pokemon to help it out in double (like maybe a flying type for earthquake? I'd don't know) would be nice, thank you!

Comments

Have someone to cover your 4x weakness to Grass, like a fire type

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I would suggest a flying Pokemon, like either Dodrio or Salamence. They're immune to earthquake, and flying covers some of the stuff that resists earthquake.

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Swellow and Altaria are options. But mainly Altaria because of D-Dance and because it's growth rate is higher than Salamence's Growth Rate, Swellow's Growth Rate, and Dodrio's Growth Rate. Erratic.

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I don't think Altaria is a good idea because its physical attack is so low. And the thing about erratic growth rate is that it's not always better than the other ones. It's...erratic. It starts really bad and only becomes better than medium slow at level 55. Pokemon need to reach level 50 to battle in the Battle Frontier, so erratic is actually a bad growth rate for the Battle Frontier.

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I find Altaria is a good ally for Swampert as it often is faster and has moves like me first and ally switch

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Altaria can't even learn Me First or Ally Switch...

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And Dodrio and Salamence and just about every flying Pokemon is also faster.
Edit: Gyarados also works pretty great if you're willing to take the time to get one with a good hidden power.

Answer 1

I would definitely recommend some kind of a flying Pokemon because they're immune to earthquake and can cover grass and bug. A fire type attack can also cover grass and bug, but I'm pretty sure flying is better because fire isn't very effective against water and dragon, while everything that resists flying is covered by Swampert's earthquake. (also there are no good fire Pokemon in Emerald) I think these are the best flying Pokemon.

Gyarados @ leftovers
Ability: intimidate
EVs: 252 Atk / 4 Def / 252 Spe
Jolly nature
- dragon dance
- hidden power [flying]
- taunt
- earthquake

Salamence @ leftovers
Ability: intimidate
EVs: 252 Atk / 4 Def / 252 Spe
Jolly nature
- dragon dance
- fly/hidden power [flying]
- earthquake
- rock slide

Dodrio @ choice band
Ability: early bird
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly nature
- return
- drill peck
- quick attack
- steel wing/hidden power [fighting]

Crobat @ choice band
Ability: inner focus
EVs: 252 Atk / 4 Def / 252 Spe
Jolly nature
- sludge bomb
- fly
- shadow ball
- steel wing/hidden power [fighting]

Of course, you can use different items if the item clause is annoying you.