Among the 80 Lumenspar players need to collect in Genshin Impact, one Lumenspar is locked behind a gate. Unfortunately, unlike the door west of the Ad-Hoc Main Tunnel that can be unlocked with Genshin Impact Miner’s Key, this gate can't be opened with one. So Travelers shouldn't waste time finding ways to unlock it.
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.
Genshin Impact: How To Use And Where To Find Archaic Stones In The Chasm
To get the Lumenspar locked behind a gate in the Underground Chasm, Genshin Impactplayers 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
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