Genshin Impact The Chasm Purify The Large Crystal

Once you’ve made it past the dark fog, you’ll be able to reach the deepest part of The Chasm in Genshin Impact. This is where you’ll conclude this fairly lengthy arc. Here’s our Genshin Impact guide to help you purify the large crystal to finish the Chasm Delvers quest.

Note: For more information about the game, check out our Genshin Impact guides and features hub.

 

Genshin Impact Chasm Delvers guide – How to purify the large crystal

After traveling west of The Glowing Narrows, you’ll meet up with Zhiqiong again. You can then use the Key to a Stony Hall to open the doorway.

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In the next tunnel, you’ll see a campsite that has a Fatui Log and another Lumenstone Ore. Beyond this place are several ledges, as well as a pit with a passageway.

Down below, you’ll fight Rethel, another named Banished Knight. Similar to the other variants, he’ll drop Statuette materials.

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Continue onward until you reach the cavernous room with the large crystal.

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To purify the large crystal in Genshin Impact, you’ll need to do the following:

  • Look for the purple tendrils emanating from the crystal. These will lead you to devices that need to be cleansed.
  • These devices tend to be covered in ooze, which means you’ll need to activate Blooming Light to destroy the corrupted growths.

Genshin Impact The Chasm Purify The Large Crystal 1

  • Mobs will be around, and some will also spawn once you start the cleansing process. This will sometimes cause the nodules to respawn, too.
  • Once the cleansing process reaches 100%, the surrounding mobs will die.

Genshin Impact The Chasm Purify The Large Crystal 2

When all five devices have been fully cleansed and activated, head back to the fast travel point. Go to the ledge and hit the large crystal. This will trigger a cutscene and you’ll have to face a Ruin Serpent.

Its abilities are similar to the regular variant/farmable miniboss. As such, it’s up to you if you want to use the Blooming Light to destroy the ooze growths, or just brute force and power through it.

Genshin Impact The Chasm Purify The Large Crystal 3a

Once the Ruin Serpent reaches 25% health, Paimon will remark that it’s very tough. Suddenly, another cutscene will play. This time, the mysterious individual from earlier will reappear. It’s none other than Yelan, a character that’s yet to join the game’s roster.

Anyway, now that you’ve purified the large crystal in Genshin Impact, you can go back to the Adventurer’s camp. Talk to Zhiqiong and the other NPCs here, then return to Muning who’s still topside. This will conclude the Chasm Delvers quest chain.

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Genshin Impact is available via its official website. For more information, check out our guides and features hub.

Jason Rodriguez
Jason Rodriguez writes for various websites under the Enthusiast Gaming umbrella -- Destructoid, Flixist, Daily Esports, PlayStation Enthusiast, and PC Invasion. Jason's Steam library has 1,400+ games at the moment so he definitely has a lot of things to talk about. He's also one of only five games journalists from the Philippines. Just kidding. There are definitely more around, but he doesn't know anyone. Mabuhay!

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