Anderna diagonal Bröd poe level 21 gem här praktisk Efternamn
PoE Corrupt Level 21 or 23% quality Gem
Corrupted lvl 21 gem+gcp vendor recipe(for 20% lvl 1 gem), proof it does not work, since i have not seen any confirmation of this anywhere else. Got lucky on the 21 BM
Beginner Guide to Path of Exile: Learning Skill Gems - PoE Vault