Rainbow Slugs are collectables in Xenoblade Chronicles. They can be found on the Fallen Arm.


Fallen Arm - the following locations have the highest spawn rate (10%) for Rainbow Slugs (night only):

  • Power Pipe Ruins, on the small lake
  • southwest of Inlet Beach; enter the pipe and then head straight until there is a visible spawn point on the left side.
  • Giant Mechon Debris; behind the ice elemental ether gear
  • high platform at the base of Digit 5; swim on the right side of Digit 5 until there is a visible passage that leads to the base of Digit 5. Then climb on the platform to reach the spawn point.
  • southwest of Digit 2 Plain; climb down to reach the lower platform. On the map, the spawn point is at the lower right corner of the platform. Zarkort and Theo can be found over there as well.
  • northeast of Digit 2 Plain; jump off the nearest ledge and look for the tiny corner
  • Distant Fingertip; the area is guarded by the Wicked Sallos
  • Jifum Beach; upper right area and earth elemental ether gear near the shoreline

Needed for

Colony 6 reconstruction


Giving this collectable as a present from one player character to another will raise or lower the affinity between them as indicated by the following table:

Recipient Shulk Fiora Dunban Reyn Sharla Riki Melia
Affinity 24

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