Does the key get consumed when doing the "Forbidden Knowledge" achievement?

Question

Hello, if I use key to knowledge on a forbidden tome, does the key get consumed in the process?

Answer 1

Hi!

Yes, unfortunately, both items would be consumed in the process of getting the achievement.

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Obtained by using a Key to Knowledge on a Forbidden Tome. Both items will be consumed. This won't work if you have never eaten a Forbidden Fruit.¹

1. https://tibia.fandom.com/wiki/Forbidden_Knowledge