How To Evolve Qwilfish In Scarlet And Violet Complete Evolution Guide

Posted on 1 October 2026 | 29
News

The addition of the Indigo Disk DLC in Pokémon Scarlet and Violet brought back a variety of unique regional forms and regional evolutions. Among these creatures is Hisuian Qwilfish, a Dark and Poison-type variant that can transform into the formidable Overqwil. Understanding the exact steps required for this evolution allows trainers to add this powerful creature to their party with ease.

Finding Hisuian Qwilfish in the Terarium

Before initiating the evolution process, trainers must first locate and catch a Hisuian Qwilfish. This dark-colored variant spawns inside the chilly waters of the Polar Biome within Blueberry Academy's Terarium. Navigating through the icy lakes in the northwestern part of the map will reveal plenty of swimming Hisuian Qwilfish.

It is important to distinguish Hisuian Qwilfish from its standard Johtonian relative. The classic Water and Poison-type Johtonian Qwilfish cannot evolve into Overqwil under any circumstances. Ensuring you have caught the Hisuian form is the critical first step before moving forward.

Teaching the Signature Move Barb Barrage

Unlike standard level-based evolutions, Hisuian Qwilfish requires a specific move to trigger its transformation. To begin, open your party menu, select your Hisuian Qwilfish, and navigate to its summary screen. From there, access the moves tab to select the option to remember a move.

Search through the list of available moves and select Barb Barrage so that Qwilfish adds it to its current set. Hisuian Qwilfish naturally unlocks Barb Barrage at level 28, but wild encounters in the DLC usually exceed this level. Re-learning the move directly through the menu takes only a few seconds and requires no special NPC.

Leveling Up to Trigger the Evolution

In previous titles like Pokémon Legends: Arceus, evolving Hisuian Qwilfish required using Barb Barrage in Strong Style twenty times in battle. In Pokémon Scarlet and Violet, game developers simplified this requirement significantly for modern gameplay. You simply need to gain a single level while Barb Barrage is in Qwilfish's active move slot.

Trainers can easily achieve this by feeding Qwilfish a single Rare Candy or EXP Candy. Alternatively, winning a quick wild battle with Qwilfish in your party will award enough experience points to trigger the level-up. Once the level increases, the evolution sequence into Overqwil will begin automatically.

Strategic Value of Overqwil in Battle

Evolving your Hisuian Qwilfish rewards you with Overqwil, a potent Dark and Poison-type Pokémon with great defensive typing. Having only a single weakness to Ground-type attacks makes Overqwil a resilient addition to competitive rosters and Tera Raids. Its access to strong status moves and sharp offensive stats ensures it serves as a valuable asset for end-game challenges.