The Commune is a challenging location where you can test your skills in trials. Each trial involves fighting through three waves of enemies, with rewards that grow after each wave. If the challenge feels too risky, you can claim your reward after any wave by interacting with the altar.

Want tougher battles or better rewards? Talk to the Commune residents to adjust the trial's difficulty in exchange for coins. Completing trials earns ribbons, which can be spent on resources at the Commune shop.