Steel Memory is an item in the “Memories” category (Items). It costs ₽1000.
In-game descriptions
| Sun / Moon · Ultra Sun / Ultra Moon · Let’s Go, Pikachu! / Let’s Go, Eevee! · Sword / Shield | A memory disc that contains Steel-type data. It changes the type of the holder if held by a certain species of Pokémon. |
|---|
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