Roseli Berry is an item in the “Type protection” category (Berries). It costs ₽80.
In-game descriptions
| X / Y · Sun / Moon · Ultra Sun / Ultra Moon · Let’s Go, Pikachu! / Let’s Go, Eevee! · Sword / Shield | If held by a Pokémon, this Berry will lessen the damage taken from one supereffective Fairy-type attack. |
|---|
Where to find it
Not placed on the atlas maps (so far: Red/Blue and Generation 3).
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h