Gems (ジュエル Jewel) are items that increase a move's power by 30% based on the corresponding type. Gems can only be used once in battle. Gems will only be consumed if the attack hits, thus if the attack misses or fails, it'll still be in the possession of the Pokémon.
List of Gems[]
Item
Description
Bug Gem
A gem with an insect-like essence. When held, it strengthens the power of a Bug-type move one time.
Dark Gem
A gem with an essence of darkness. When held, it strengthens the power of a Dark-type move one time.
Dragon Gem
A gem with a draconic essence. When held, it strengthens the power of a Dragon-type move one time.
Electric Gem
A gem with an essence of electricity. When held, it strengthens the power of an Electric-type move one time.
Fairy Gem
A gem with an essence of the fey. When held, it strengthens the power of a Fairy-type move one time.
Fighting Gem
A gem with an essence of combat. When held, it strengthens the power of a Fighting-type move one time.
Fire Gem
A gem with an essence of fire. When held, it strengthens the power of a Fire-type move one time.
Flying Gem
A gem with an essence of air. When held, it strengthens the power of a Flying-type move one time.
Ghost Gem
A gem with a spectral essence. When held, it strengthens the power of a Ghost-type move one time.
Grass Gem
A gem with an essence of nature. When held, it strengthens the power of a Grass-type move one time.
Ground Gem
A gem with an essence of land. When held, it strengthens the power of a Ground-type move one time.
Ice Gem
A gem with an essence of ice. When held, it strengthens the power of an Ice-type move one time.
Normal Gem
A gem with an ordinary essence. When held, it strengthens the power of a Normal-type move one time.
Poison Gem
A gem with an essence of poison. When held, it strengthens the power of a Poison-type move one time.
Psychic Gem
A gem with an essence of the mind. When held, it strengthens the power of a Psychic-type move one time.
Rock Gem
A gem with an essence of rock. When held, it strengthens the power of a Rock-type move one time.
Steel Gem
A gem with an essence of steel. When held, it strengthens the power of a Steel-type move one time.
Water Gem
A gem with an essence of water. When held, it strengthens the power of a Water-type move one time.