Wave 2 is where things got interesting, introducing actual gameplay mechanics and new faces:

Released shortly after launch, Wave 1 was all about the "quality of life" and prepping for the long haul. It included:

A collection of Nopon Coins and consumables to help with early-game crafting and leveling.

New palettes for the main cast to keep the fashion fresh during those long treks across the Fornis Region. Wave 2: The Real Game Changer