How do I defend against fighting types?

Question

Im trying to finish Pokemon X with only my Dunsparce:

Dunsparce @ Hard Stone
Level 32 (F)
Nature-Calm
Ability-Serene Grace
Moves:
Yawn
Roost
Rollout
Rock Smash

I just keep losing to fighting types

Comments

Teach Dunsparce a spammable normal attack, like strength or return. If that isn't enough, then just level grind a bunch.

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If it’s EVs aren’t maxed out yet, try Super Training it in HP or Defense so it can take hits easier.

Answer 1

If you have another game to trade with, I'd recommend teaching it Dream Eater (TM). It's not accessible in X/Y til the Battle Maison, via BP.

Here's a Dream Eater set I'd use:

Serene Grace
Big Root/Leftovers/etc.
Yawn
Dream Eater
Charge Beam
Shadow Ball/Round/Trump Card/Hyper Beam

Comments

I think Dunsparce would still benefit from a reliable STAB like return or strength. Yawn won't work against everything.

Answer 2

for me you should EV train dunsparce defense or HP until he can resist fighting moves or grind him/her a lot until it can resist fighting moves