G-Max Move, deals damage and damages any non Fire-type Pokémon for 4 turns.

G-Max Wildfire deals damage and damages any non Fire-type Pokémon for ⅙ of their maximum HP at the end of each turn for 4 turns.
G-Max Wildfire is the Fire-type G-Max Move of Gigantamax Charizard
Its power and category depend on the base move the user had before Gigantamaxing:

Move	Power	Category	Learnable
Blast Burn	150	Special
Blaze Kick	130	Physical
Blue Flare	140	Special
Burn Up	140	Special
Burning Jealousy	120	Special
Ember	90	Special
Eruption	150	Special
Fiery Dance	130	Special
Fire Blast	140	Special
Fire Fang	120	Physical
Fire Lash	130	Physical
Fire Pledge	130	Special
Fire Punch	130	Physical
Fire Spin	90	Special
Flame Charge	100	Physical	Through Transfer
Flame Wheel	110	Physical
Flamethrower	130	Special
Flare Blitz	140	Physical
Fusion Flare	130	Special
Heat Crash	130	Physical
Heat Wave	130	Special
Incinerate	110	Special	Through Transfer
Inferno	130	Special
Lava Plume	130	Special
Magma Storm	130	Special
Mind Blown	150	Special
Mystical Fire	130	Special
Overheat	140	Special
Pyro Ball	140	Physical
Sacred Fire	130	Physical
Searing Shot	130	Special
Shell Trap	150	Special
V-create	150	Physical