Guides

Pokémon Crystal Berserk Gene: How To Get It + What It Does

by Nelson Chitty
The Berserk Gene hidden location
Berserk Gene Locations
# Location Repeatable?
1 Cerulean City. Hidden in the river west of town, four steps left of a man in a flower field. Accessible by using Surf from Route 25. No

The Berserk Gene is hidden in the river west of Cerulean City. It’s four steps left of a man standing in a flower field.

You can only access the river using Surf on Route 25, north of the city. From there, just follow the river downstream until you see the guy in a flower field.

Prerequisites

The only prerequisite to getting the Berserk Gene is reaching the Kanto region.

To reach Kanto, you must:

  1. Collect all eight Johto Gym Badges.
  2. Defeat the Elite Four and Champion Lance at the Indigo Plateau.
  3. Get the S.S. Ticket from Prof. Elm.
  4. Ride on the S.S. Aqua from Olivine City to Vermilion City.

From there, keep going north; you’ll be at Cerulean City soon.

Getting the Berserk Gene

Cerulean City on the Kanto map / Pokémon Crystal
Cerulean City on the Kanto map.

Starting from Cerulean City, head onto Route 24 to the north.

Exiting Cerulean City toward Route 24 to the north / Pokémon Crystal
Exiting Cerulean City toward Route 24 to the north.

Keep going north until you reach Route 25. Use Surf on the river to the left and start heading back toward Cerulean City (to the south).

Making a U-turn at Route 25 and entering the river with Surf / Pokémon Crystal
Making a U-turn at Route 25 and entering the river with Surf.

Keep following the river downstream. There’s only one way to go, so you won’t get lost.

Eventually, you’ll see a guy standing on a flower field on the right. The Berserk Gene is hidden in a corner to the left of this NPC.

Press A while facing the water tile in the corner to pick up the Berserk Gene.

Finding the Berserk Gene hidden in the river west of Cerulean City / Pokémon Crystal
Finding the Berserk Gene hidden in the river west of Cerulean City.

How To Use the Berserk Gene

The Berserk Gene is a consumable held item that raises your Pokémon’s Attack by two stages, roughly doubling it. On the flip side, it inflicts Confusion on the user.

Your Pokémon will use the Berserk Gene at the start of the battle without any prompting.

Consider using the Duplication Glitch to make copies if you want to keep using the Berserk Gene.

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Nelson Chitty

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Nelson Chitty is a Venezuelan expat living in Argentina. He’s a writer and translator passionate about history and foreign cultures. His ideal weekend is spent between leisurely playing games of Civilization VI and looking for the next seinen anime to marathon.

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