An ancient form of the Johto Region Legendary Pokémon Entei called Gouging Fire is a beast you can find and catch in The Indigo Disk DLC for Pokémon Scarlet & Violet. This Fire-/Dragon-type creature has extraordinary power that could be added to your team. However, only the bravest of trainers with the right items can claim the strength of Gouging Fire for their own.
How To Find (& Catch) Gouging Fire (Pokémon Scarlet & Violet Indigo Disk DLC)
Gouging Fire is a new Legendary beast to find in Pokémon Scarlet & Violet's Indigo Disk DLC, but it can be hard to catch this ancient form of Entei.