From Pixelmon Wiki
Black Glasses is a held item that increases the power of the holder's Dark-type moves by 20%. It can be obtained as a tier 2 special drop. It is also a drop from certain wild Pokémon.
|Black Glasses||End City||Chest||1||5.3%|
|Tower of Darkness||Chest||1||6.7%|
Main article: Drops
The Black Glasses has a chance to be dropped from the below type battles from a Max Raid Battles
Before Reforged, this item had the following recipe. It was removed due to many held items being far too easy to make.