For the collectible in Xenoblade Chronicles 2, see Green Diode (XC2).

Green Diodes are collectables in Xenoblade Chronicles. They can be found in the High Entia Tomb. Five are required for A Necessary Upgrade.


High Entia Tomb - the following locations have the highest spawn rate (21%) for Green Diode:

  • the long passage in the center area of the first basement floor (this area is at the left side of the map)
  • first basement floor; the room at the upper-left area
  • the northern room on the second basement floor; on the pool of water
  • second basement floor; the western wall in the large room
  • second basement floor; the passage along the Tower of Trials - Bridge
  • second basement floor; from the Tower of Trials - Bridge, head east to the corner of the pathway
  • first basement floor; the eastern wall of the small room (this room is at the right side of the map)
  • ground floor; near the door that leads to the Hall of Trials
  • the midpoint of the hidden passage that leads to the Second Treasury


NPC Area Affinity
Piko Alcamoth 4


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 10