Originally Posted by Kein
Every time when you visit your smith/alchemist they got list of recipes updated and all related formulas being removed from your inventory. That is how it works.


Indeed wink
And sometimes you will find a same "Formula" again. Then you can "sell" these Fomula's.

On 7th of february 2015 : I start a new adventure in the Divinity world of Original Sin,
it's a Fantastic Freaking Fabulous Funny ... it's my All Time Favorite One !