If you were worried about Pokémon Sword and Shield’s new Dynamaxing mechanic, which makes your Pokémon super big and super powerful for a limited amount of time, being an empty gimmick, you can calm down. I played a 20-minute demo at E3 yesterday, and it actually adds to the game’s complexity.
Source: Kotaku – Pokémon Sword And Shield’s Giant Pokémon Changed Up My Battle Strategy