In the Underground Chasm, there's a secret path that will transport Genshin Impact players to the surface. Finding this spot will reward them with the All We Need Is Some Firewood and Some Vinegar achievement. However, secret entrances in The Chasm don’t stop there. There’s also another secret entry players can find to get them from the surface to the Underground Chasm. This will lead Travelers to the Lumenspar locked behind a gate in Genshin Impact.
To get the Lumenspar locked behind a gate in the Underground Chasm, Genshin Impact players have to enter the Den of Thieves from the surface. To do so, Travelers need to collect two Treasure Map Fragments first.
The first Treasure Map Fragment can be found in a bag under the Treasure Hoarders’ tent. Players can do it any time, but it’s highly recommended to do it while following Yanbo the Millelith’s Undetected Infiltration Quest.
At the end of the Millelith’s mission, Travelers will get a Cup of Commons in Genshin Impact.
As for the second Treasure Map Fragment, Genshin Impact players can find it in a satchel east of the Ad-Hoc Main Tunnel.
After finding both of the Treasure Map Fragments, Travelers will get a Treasure Hoarders' Treasure Map. Now, go to the marked spot and find a tent with bombs next to it.
Next, burn the hay under the tent using Pyro or the bombs. This will reveal a secret trap door. Press the button to enter the Den of Thieves.
Afterward, the character will be transported to the Underground Chasm. One Genshin Impact Exquisite Chest and one Precious Chest will sit up ahead for people to claim.
For finding the secret entry, Travelers will earn the Den of Thieves Achievement and gain access to the Genshin Impact Lumenspar locked behind the gate. Players will be able to open the gate from this side of the room.
Collecting Lumenspar in Genshin Impact is important for Underground Chasm’s exploration. This item is used to upgrade the Lumenstone Adjuvant, where a special ability will unlock at levels two, six, eight, and nine. Meanwhile, there’s no special skill on level 10 (maximum level), but players will get a new Namecard, Lumens: Stone of Light.
Genshin Impact is now available on Mobile, PC, PS4, and PS5. A Switch version is in development.