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Genshin Impact

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Tatara Tales - Purification Device

Shane Williams

This is a walkthrough for the World Quest, Tatara Tales: Purification Device. It’ll navigate you through the necessary steps to acquiring Crystal Marrow.

Speak with Xavier to start the quest.

Adventure EXP Mora Other Rewards Requirements Next Quests
Genshin Impact Screenshot150 Genshin Impact Screenshot25,000 PrimogemItemsGenshinImpact.png20 Complete Tatara Tales: Priority Investigation Tatara Tales: Data Collection


Xavier, who is researching the Mikage Furnace, seems to have had some new ideas…


  1. Talk to Xavier
  2. Collect three Crystal Marrow

Collect three Crystal Marrow

Speak with Xavier and he’ll need you to collect Crystal Marrow for an Emergency Purifier that he’s making for his investigations. Simply drop down the area behind Xavier and you’ll find a bunch of Crystal Marrow ready to be collected.

(1 of 2) Head southeast of Xavier

Head southeast of Xavier (left), to find a bunch of Crystal Marrow ready to collect. (right)

Return the Crystal Marrow to Xavier to bring this quest to a close, then wait until the next day to accept the next step.

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Guide Information
  • Publisher
  • Platforms,
    Android, iOS, PC, PS4, PS5, Switch
  • Genre
    Action RPG, Adventure
  • Guide Release
    31 October 2020
  • Last Updated
    31 July 2023
    Version History
  • Guide Author

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This guide for Genshin Impact includes the following:

  • Based on version 3.0.
  • An interactive Map of Teyvat showing the location of all; Anemoculus, Geoculus, Statues of the Seven, World Quests, Shrines, Plants, Monsters, Enemies, Chests and Minerals.
  • Knowledge on all of the current known regions of Teyvat.
  • Detailed Character pages of all playable characters showing talent trees, skill builds and Ascension tables.
  • Character Tier Lists.
  • Combat Information and Elemental Effects & Combinations.
  • Weapons - Showing the current best and highest rated weapons in the game.
  • All Archon Quests including the new Sumeru Archon Quests.
  • All World Quests that are unlocked by speaking to NPCs through Teyvat. They give insight into the various locations and stories of the world.
  • All Story Quests consisting of chapters related to the background and personalities of each playable character.
  • All Domains laid bare with expert strategies including the new Sumeru Domains.
  • How to conquer the Spiral Abyss.
  • All Weekly Bosses covered with expert strategies.
  • How to get all the optimal outcomes on Hangout Events
  • Housing guide using the Serenitea Pot including a full blueprint and furnishings list.
  • All details on Gardening and Fishing.
  • Bonus Content, including Interviews from voice actors.

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