Dynamax

Dynamax is a mechanic that allows Pokémon to grow giant. Once the Pokémon is dynamaxed it'll be able to use Max Moves, which are powerful damaging moves with secondary effects. Every Status move becomes Max Guard when dynamaxed.

List of Max Moves

Type	Max Move	Secondary effect
Normal	Max Strike	Decreases the Speed of the target and its allies by one stage
Fighting	Max Knuckle	Increases the Attack of the user and its allies by one stage
Flying	Max Airstream	Increases the Speed of the user and its allies by one stage
Poison	Max Ooze	Increases the Special Attack of the user and its allies by one stage
Ground	Max Quake	Increases the Special Defense of the user and its allies by one stage
Rock	Max Rockfall	Creates a sandstorm for five turns.
Bug	Max Flutterby	Decreases the Special Attack of the target and its allies by one stage
Ghost	Max Phantasm	Decreases the Defense of the target and its allies by one stage
Steel	Max Steelspike	Increases the Defense of the user and its allies by one stage
Fire	Max Flare	Creates harsh sunlight for five turns.
Water	Max Geyser	Creates rain for five turns.
Grass	Max Overgrowth	Creates Grassy Terrain for five turns.
Electric	Max Lightning	Creates Electric Terrain for five turns.
Psychic	Max Mindstorm	Creates Psychic Terrain for five turns.
Ice	Max Hailstorm	Creates Hail for five turns.
Dragon	Max Wyrmwind	Decreases the Attack of the target and its allies by one stage
Dark	Max Darkness	Decreases the Special Defense of the target and its allies by one stage
Fairy	Max Starfall	Creates Misty Terrain for five turns.
Normal	Max Guard	Acts like Protect, but it protects from all moves, including Max Moves.

Obtaining

In Pixelmon you'll gain the ability to Dynamax your Pokémon from the Magenta Quest Shooting Star. Once you obtain the Dynamax Band you'll just have to equip it and fight against a trainer or a boss.

Dynamax won't work on wild Pokémon.