Applies the Fire Damage Field effect to the opponents' field of play. (Fire Damage Field: The sync pairs will take Fire-type damage whenever they take an action.)
Gigantamax Charizard's fiery wings glow bright red and yellow and are fired off as a giant bird-shaped flame at the opponent. Even if the move is blocked, the bird-shaped flame will repeatedly swoop down and strike the opponent, covering them in fire; or, the bird-shaped flame flies around the opponent, trapping them inside of a fiery vortex.
G-Max Wildfire is the only G-Max Move belonging to a first partner Pokémon to not have a unique move animation. It uses a retexture of Max Flare's move animation.
However, this is because G-Max Wildfire was introduced when Sword and Shield were first released, and all G-Max Moves present in the initial release (including the then-unused G-Max Meltdown for Gigantamax Melmetal) had retextured move animations of their type's original Max Move.
This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.