From Bulbapedia, the community-driven Pokémon encyclopedia.
Tera Shards (Japanese: テラピース Tera Piece) are a group of items introduced in Pokémon Scarlet and Violet. They can be used to change a Pokémon's Tera Type.
After defeating Gym Leader Larry, the player can speak to the Cook at the Treasure Eatery in Medali to change a Pokémon's Tera Type. She will require 50 Tera Shards of the desired type to do so.
Tera Shards are most commonly acquired by completing Tera Raid Battles of at least 3★, which may yield Tera Shards that match the Raid Boss's Tera Type. Higher-difficulty Tera Raids tend to yield more Tera Shards upon victory.
Tera Shards may also be found occasionally in the overworld as hidden items.
All Tera Shards share the following description:
||On rare occasions, these shards form when a Tera Pokémon falls in battle and its Tera Jewel shatters.
List of Tera Shards
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