Genshin Impact: Heavenly Stone Debris Walkthrough


One of the more elaborate quests in The Chasm is Heavenly Stone’s Debris, which is mandatory if you want to get past the main mining area. It requires a bit of treasure hunting, an understanding of what your new gadget does, and some puzzle solving. Trust us when we say if you were a little stuck you weren’t alone (just check Google Trends)

As such, we thought we’d write a quick walkthrough on how to complete the Heavenly Stone’s Debris quest so you can get past it quickly and continue your adventure through The Chasm.

Find the two keys

Before you even attempt this step, you’ll want your Lemunstone adjuvant to be at least level 2, so you can clear up some of the corruption around the map. To do this, you’ll need to collect eight Lemunspar, which can be found in our handy dandy Lemunspar location guide. Keep going to Ad-Hoc Tunnels and the main mining area, and you’ll find eight of them in no time.

From there, teleport to the Main Mining Area waypoint that borders the Ad-Hoc Tunnels, in the upper left of the area. Slide down to the ground below, towards the water south of the waypoint, and take out the enemies near the water purifier.

Once the area is clear, use your Lemunstone adjuvant to remove the corruption. Next, look at the top of the purifier. You’ll see a pot at the top, which you can break for your first key.

Next, go to the green area at the top left of the main mining area. Once you reach a wooden bridge, jump down and head left. Eliminate the enemies you find near another water purifier.

Once that’s clear, look to the left of the purifier. There you will find an explosive barrel near a hammer. Blow it up and the key will be yours!

Signaling the cannon

This is where most people get stuck. From the waypoint in the main mining area, at the top of the wooden platforms, your quest marker will direct you to a vantage point rather than the beacons you need to adjust.

The first beacon is found further down on another wooden platform overlooking the mining area. Slide down and tune it to a low frequency, you’ll know it’s tuned correctly when it flashes once every few seconds.

The second beacon is further west, atop another platform near a viewpoint. Swipe down and set this beacon to a low frequency as well.

The last beacon is on the ground, in a corner covered in corruption. First, remove this corruption using your gadget and then tune it to a high frequency. You’ll know it’s high when it flashes every second or so, but if you’ve set the previous two tags correctly, you can just cycle through the options until it ends automatically.

Shoot the cannon

Once you’ve released the safety lock, move your things forward to the barrel and enter. You aim for the rocks blocking the path in front of you for this, but don’t worry about firing try shots as you have unlimited tries

From there, all you have to do is head south towards the Rocky Halls and voila! For more Genshin Impact guides focused on The Chasm, check out our guide to Best Ayato Build and All Millennial Miner Item Locations.


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