Moves are perfect, so don't do anything too rational to those. Do level up your team by like 10 levels.
Here are some items I recommend (make sure you have plenty of each):
Oran Berry
Reviver Seed
Totter Orb/Seed (confuses enemy)
Slumber Orb/Sleep Seed (makes enemy sleep)
May make random appearances every-so-often. Trying to officially return...
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