there's an held item that protects from negative effects from making contact with the enemy (cute charm, static, rough skin, spiky shield etc.)
seeds that raise defense (grassy, electric) or sp.def (psychic, misty) when a terrain is in effect (they're consumed after use)
an item that makes terrains last longer (like the weather rocks, but it works on every terrain)
and I think there's new berries too
>>29883524it's consumed after use