There are a total of 14 Infusions that can be performed at Andre the Blacksmiths station in Firelink Shrine using infusion gems that you will find throughout the game. I would suggest using the Fextralife wiki to find detailed locations for gems. In order for most of these infusions to be possible to perform, you will require the following coals,
Farron Coal
Sage Coal
Profaned Coal
Giant's Coal
In order to obtain the achievement, you must perform the following infusions on any weapon,
Lighting
Dark
Deep
Hollow
Fire
Chaos
Blood
Refined
Raw
Heavy
Sharp
Poison
Crystal
Blessed
Simple
Note: You do not need to use the shriving stone at all in order to obtain this achievement.