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Power Lens
From Pixelmon Wiki
A Power Lens is a type of power item that can be given to a Pokémon. When a Pokémon holding a Power Lens defeats an opponent Pokémon, it will earn the normal EV gains from the opponent along with 8 extra Special Attack EVs. However, the Pokémon's Speed will be halved while wearing a Power Lens. When a breeding Pokémon holds a Power Lens, its Special Attack IV is guaranteed to be passed to its offspring. It can be obtained as a tier 3 special drop. It is a possible drop from rare boss Pokémon.
