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Type-enhancing items, when held, will enhance the potency of attacks that correspond to the item by 10%. For example, if a Pokémon holds Mystic Water and uses a Water-type attack, the power of the Water-type attack will be increased by 10%. In D/P, this was changed to 20%.
If these items are sold, Poké Marts will pay 50 for them with the exception of Charcoal, for which Poké Marts will pay 4,900, and the Adamant/Lustrous Orbs for which Poké Marts will offer 5,000.
In Generation II, several of these items can only be obtained from the Week Siblings.
List of type-enhancing items
- Type enhanced: Dark
- Type enhanced: Fire
- Type enhanced: Rock
- Type enhanced: Steel
- Notes: If held by an Onix or a Scyther when they are traded, the Pokémon will evolve into Steelix or Scizor, respectively.
- Type enhanced: Grass
- Type enhanced: Water
- Type enhanced: Ice
- Type enhanced: Dragon and Ghost
- Note: Only effective when held by Giratina. Also allows Giratina to be in its Origin Forme outside of the Ruined World. It unequips when initiating a trade with Diamond and Pearl, changing Giratina back to Another Forme.
- Type enhanced: Normal
- Notes: Succeeded both Pink Bow and Polkadot Bow from Generation II.
- Type enhanced: Bug
- Type enhanced: Ghost
- In Generation II, there was one item that would power up each type, with the exception of the Template:Type2, which had the Pink Bow and Polkadot Bow. In Generation IV, this is reversed, with each type powered up by one of the items as well as by a plate. The Normal-type is the exception here, as well, as there is no plate which boosts the power of Normal-type moves.
- The Spell Tag looks similar to Dusclops' face.