This guide shows the complete walkthrough of the Chasm Spelunker World Quest in Genshin Impact 2.6, which released on 30th March 2020.
To start the quest, first, you need to complete the Surreptitious Seven-Star Seal Sundering world quest.
Enter the Mines of the Chasm
Go to The Chasm’s Maw Waypoint. From there, go northeast and jump down the mine.
Investigate the Lumenspar near the camp
After entering the mine, go south on the platform and investigate the Lumenspar as shown below.
Look for clues as to Uncle He’s whereabouts
After obtaining the Lumenstone Adjuvant Gadget you’ll be asked to look for clues surrounding Uncle He’s whereabouts.
#1 Clue
These clues are called Diary Fragments, and they hold the hints to finding Uncle He. The player simply has to follow the markings on the map. The first Diary Fragment can be found on top of a wooden crate near Geovishap.
#2 Clue
From the previous location, dropdown to find some Treasure hoarders. The item is on a box near a Lumenlamp.
#3 Clue
The third clue is located near the second one. Just go southeast from the previous location to encounter some Treasure hoarders. The next clue is pasted on a broken crate beside some weapon racks.
After collecting the three clues, fast travel back to the top waypoint and tell Jinwu about what you have discovered about Uncle He’s whereabouts.
Go to the exploration Team’s Camp
After talking to Jinwu, jump down below and enter the cave on the southeast side as shown below.
Continue ahead in the tunnel. Then jump down and glide over the broken wooden bridge as shown below.
Then turn left to reach a waypoint. Go north from the waypoint to find the camp as shown below. On reaching the camp, the first area of the Chasm Underground will become visible as shown in the second picture below.
Look for Zhiqiong, who went off on her own
From the camp, go east and jump down as shown below. After jumping down, you will see a wooden bridge ahead. Zhiqiong is on the platform below this bridge as shown in the second picture below. Glide to Zhiqiong’s location and talk to her.
Complete Zhiqiong’s Commission
To complete this objective, you will need to complete two world quests: First Miasmic Contact and Meeting New People and Foiling Some Bandits.
First Miasmic Contact
Track the First Miasmic Contact world quest. Your first objective will be to “Head to investigate the site of the first anomaly”. After you get the quest, fast travel to the waypoint marked in the picture below.
From the waypoint. climb up the stairs on the south side. Then turn left and glide to the jumping stone as shown in the picture below. Stepping on the stone will throw you up, which you can use to climb on the beam of the wooden stair tower.
Walk on the stair tower beam to reach the next jumping stone as shown in the picture below. Step on the stone and it will throw you to the upper level. Go inside the tunnel here as shown in the second picture below.
After coming out of the tunnel, interact with the marker to take a picture. Then proceed south and defeat the monsters influenced by the dark mud. After defeating the enemies, continues ahead on the path going down south until you reach the objective marker. As you reach the marker, a cutscene will start and the quest will be complete.
Meeting New People and Foiling Some Bandits
Go to the waypoint marked in the picture below. Then jump down on the east side and glide down to the Treasure Hoarders camp as shown in the pictures below. Clear the Treasure Hoarders in the miner’s camp and then open the cage there to free the prisoner.
Now jump down and continue in the south direction to reach the second camp as marked in the picture below. Clear the Treasure Hoarders in the camp and then examine the giant cannon there.
From the second camp, go west to reach the storehouse as shown in the pictures below. The storehouse is on the lowest level of the mine, so there is no need to climb on the scaffolding around there. Simply go west to reach the storehouse. On reaching there, a cutscene will start and the quest will be complete.
Return to the exploration team’s camp
Fast travel to the exploration team’s camp to complete the quest.