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How to Evolve Hisuian Qwilfish in Pokémon Scarlet and Violet

Level up Hisuian Qwilfish while it knows Barb Barrage to evolve it into Overqwil in Pokémon Scarlet and Violet.
WorldPokémon Scarlet and Violet Length1 min Posted Quest giverVGSources Team

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To evolve Hisuian Qwilfish into Overqwil in Pokémon Scarlet or Pokémon Violet, level it up while it knows Barb Barrage. It does not need to use the move a set number of times.

Steps to evolve Hisuian Qwilfish

  1. Confirm that your Qwilfish is the Hisuian form. This evolution method is for Hisuian Qwilfish, which evolves into Overqwil; see the official Overqwil Pokédex.

  2. Check that Barb Barrage is in its move list. If it has forgotten the move, use the game’s move-relearning tools to restore it.

  3. Gain a level while Barb Barrage is in its move list. The level can come from a battle or a level-granting item.

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That level-up triggers the evolution. Serebii’s Scarlet and Violet Pokédex entry and Game8’s guide describe the requirement.

Why Qwilfish may not evolve

  • It is the wrong form: Make sure it is Hisuian Qwilfish, not the standard form.

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  • It did not know Barb Barrage at level-up: Having learned the move previously is not enough if it is no longer in the move list when Qwilfish gains the level.

  • It has not gained a level yet: Knowing Barb Barrage alone does not trigger evolution; Qwilfish must level up.

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Do you need to use Barb Barrage 20 times?

No. The 20-use requirement in Strong Style is the separate evolution method associated with Pokémon Legends: Arceus. In Scarlet and Violet, the condition is simply to gain a level while knowing Barb Barrage. Pokémon Database describes the Legends: Arceus method.

Does Terarium-caught Hisuian Qwilfish evolve the same way?

Yes. Game8 says a Hisuian Qwilfish caught in the Blueberry Academy Terarium can evolve through the same level-up method: keep Barb Barrage in its move list and gain a level.

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