
Baldur's Gate 3: How to Find Tongue of Madness and Tinmask Spores Locations for Omeluum's Quest
Find Tongue of Madness and Tinmask Spores easily in the second floor of the Arcane Tower in Baldur's Gate 3. These ingredients are essential for Omeluum's quest to investigate the parasite.

Zombie with crows in moonlight
Location in Arcane Tower:
- Tongue of Madness: Southeast side in a garden patch
- Tinmask Spores: Northwest corner on a shelf
Alternative Locations:
Tongue of Madness:
- Buy from Derryth Bonecloak (Myconid Colony, Level 6+ required)
- Purchase from Omeluum in Myconid Colony
Tinmask Spores:
- Buy from Derryth Bonecloak (Myconid Colony, Level 6+ required)
- Purchase from Omeluum in Myconid Colony
- Collect from Tinmask mushrooms in the Underdark
Quest Outcome:
- Return ingredients to Omeluum
- Drink the potion (will fail regardless of saving throws)
- Receive Ring of Mind-Shielding as compensation
- Gives advantage on Saving Throws against being charmed
- Can be obtained for free through barter menu
Bonus Tip: Despite the potion's failure, you keep your Illithid Powers for combat advantages.
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