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Final Fantasy XIV: Endwalker

Don't Philter Yourself (Level 80)

Shane Williams

Don’t Philter Yourself - How to start and complete the Side-Quest in Final Fantasy XIV: Endwalker (FF XIV). Details on how to help the bespectacled researcher.

Speak with the Fretting Researcher to begin this quest.


40pxMainquest1Icon.png Hither and Yarns

Starting NPC

sidequest.png Fretting Researcher

Fretting Researcher can be found at (X: 21.6, Y: 19.6) in Labyrinthos.

20pxMap33Icon.pngNearest Aetheryte: Sharlayan Hamlet


A researcher in Sharlayan Hamlet has furiously furrowed brow.


siderepeatable.png Speak with the bespectacled researcher

After you’ve finished speaking with the Fretting Research, you’ll need to talk to a Bespectacled Researcher who is located at (X: 22.1, Y: 34.3).

Head to (X: 22.1, Y: 34.3) to find a bespectacled researcher, then use the Flax-Colored Philte

siderepeatable.png Use the philter on the bespectacled researcher

Following your conversation with the Bespectacled Researcher, use a Flax-Colored Philter on him which can be found in your key items.

sidecomplete.png Speak with the fretting researcher

Finally, return to the Fretting Researcher and speak with her to bring the quest to a close.


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Guide Information

  • Publisher
    Square Enix
  • Platforms,
    Mac, PC, PS4, PS5
  • Genre
  • Guide Release
    3 December 2021
  • Last Updated
    15 April 2022
    Version History
  • Guide Author

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Welcome to our Final Fantasy XIV: Endwalker guide!

Endwalker is the fourth expansion for Final Fantasy XIV after the last expansion Shadowbringers.

This guide is currently a work-in-progress so please bear with us while we work hard to complete it.

This guide currently contains the following:

The final guide will also contain:

  • Extreme Trials
  • Gathering Guide
  • Crating Guide
  • Hunt Trains

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