Resonance Gems are required to open "resonance gates" and allow the player to proceed to another part of the map, find hidden treasures, free a locked friend, or find teleporters that transport Dust to a previous point on the map. There are 7 Resonance Gems, all of which help free a character for the Baker's Dozen achievement.
|Blue||Speaking to Haley at Archers' Pass.|
|Red||Accepting Blop's quest in Mudpot.|
|Green||Speaking with Cora in the Sorrowing Meadow.|
|Yellow||Given by the Elder at the Moonblood Camp.|
|White||Rescuing Corbin at Ivydale Glen.|
|Purple||Going to the far left of the Sanctuary after rescuing your first friend.|
|Rainbow||Accepting and completing Bopo's quest.|