In this guide, I’ll be sharing all the Orb of the blue depth locations in Genshin Impact.
Location No. 1
Teleport to The Serpent’s Cave east waypoint, head southwest, and jump down. Remove the purple blob with the gadget and defeat Haltaf to get an orb of the blue depths.
Location No. 2
Teleport back to The Serpent’s Cave east waypoint, glide west, enter the cave, and head north. Interact with the glowing light that you come across along the way and you will find a miner’s key. Go out of the cave and open the gate with the key we found earlier. Remove the purple blob with the gadget and defeat Skeld to get an orb of the blue depths.
Location No. 3
Teleport to Underground Waterway east waypoint, head west, and enter the tunnel. Keep to the right and climb up to the higher platform. Keep moving forward until you find Edgetho. Defeat Edgetho to get an orb of the blue depths.
Location No. 4
Teleport to Stony Halls south waypoint and head southeast. Remove the breakable wall with normal attacks. Defeat Buliwyf to get an orb of the blue depths. A precious chest will spawn upon defeating all 3 of them.
Location No. 5
Teleport to The Glowing Narrows southeast waypoint and head north. Use the spoutrock to go higher and remove the purple blob with your gadget. Defeat Serkir to get an orb of the blue depths.
Location No. 6
Teleport back to The Glowing Narrow’s southeast waypoint, head south, and descend to a lower altitude. Defeat Roneth to get an orb of the blue depths.
Location No. 7
Teleport to The Glowing Narrows north waypoint and head east. Remove the breakable rock with the help of the geo bombs. Defeat Herger to get an orb of the blue depths.
Location No. 8
Teleport to Underground Waterway southwest waypoint and head southwest. Defeat Hyglacg to get an orb of the blue depths.
Location No. 9
Teleport to the upside-down waypoint, head south, and climb up to a higher platform. Use all 9 orbs of the blue depths that we collected earlier to unlock the door. We will receive an achievement Crede Tenebrae upon unlocking the door and you can find multiple chests in there.