The Lumenstone is a utility that you will need to upgrade in order to continue going through the storyline of The Chasm questline. There is a total of 16 Lumenspar stones that you can collect and raise levels on your Lumenstone. All of these stones are hidden in some interesting areas that you need to plan your path.
This guide will show you all 16 Lumenspar locations in Genshin Impact.
Genshin Impact: 16 Lumenspar Locations For Lumenstone Upgrade
The first location is just south of the Ad-Hoc Main Tunnel area.
You will see a small crane holding the Lumenspar on its hook. Jump from a higher cliff and glide down towards the hook of the crane.
The second lumenspar is just east of the first one. To get to this location, you must firstly enter a cave and glide to the other end of the cave.
Continue forward and right behind the big monster, you will see a room with a blue crystal which is the Lumenspar.
The third lumenspar is located close to the second one.
Here you will need to enter a cave where there will be a broken bridge at the end of the cave and the lumenspar floating on the broken bridge itself.
The next one is a bit north of the rest.
This one is simple, just get to the marked area of the map and the lumenspar will be floating on the path.
The fifth lumenspar is located on the northern border of the map, just after the last spot.
The lumenspar here will be located just on some wooden infrastructure. Climb the place and collect your spar.
Right in the middle main road connecting the Ad-Hoc Main Tunnel and Main Mining area, the next lumenspar will be found.
When you glide down from your last location, you will notice a wooden plank and on top of the plank, the lumenspar can be found.
In this area, the next lumenspar can be found.
Around some wooden cranes and platforms, you will see the lumenspar placed on the middle platform.
Just West from the last location, the next lumenspar can be found.
The spar can be found on the giant rope that is connecting the two constructions.
Returning back on the main road, the next lumenspar can be found.
You will see a giant broken down chariot, climb the chariot and you will see the lumenspar on its wheel.
Follow the wooden construction towards the west side, where you will find the next lumenspar on the left side of the wall.
Head just above the giant rope that you were on and land on the wooden platform above it.
From there you will see a giant orange crystal, and the lumenspar is right next to it.
Here you will need to walk on another giant rope and climb a wall to get this lumenspar.
Just north of the Underground Waterway, the next lumenspar can be seen right inside the water of the marked area.
Drop down from your last area and on the first wooden platform that is closest to the waterfall, you will find the next lumenspar.
The next two lumenspars can be found just north of The Chasm: Main Mining Area.
Glide down on the wooden platform where you will be able to see and collect both of the lumenspars.
The last lumenspar can be found right in the middle of The Chasm: Main Mining Area.
From the last two lumenspars that were found, just continue gliding down and you will see the last lumenspar placed right in the middle of the platform.
