Activate Eridian runes is an objective in Borderlands 3 (Borderlands3).

Activate Eridian runes is an objective in the Side Quest, Demons in the Dark in Borderlands 3


  • Go forward, dropping off the ledge the remains of Lark was on.
  • Look through the rings in front of you to the runes and aim.
  • One of the runes visible through the rings will light up.
  • Aim and fire at the rune there.
  • Head back to the North going underneath the ledge here, stepping under the light.
  • Look to the West through the next trio of rings.
  • Finally, head to the Northeastern side of the room and jump up onto the platform there and climb up to the top of the platform.
  • Turn to the Southwest and look through the rings here.
  • Fire through the rings to hit the rune on the far side.