Installation:
1. download
2. extract download
3. copy extracted content to \yourWitcher3Directory\
4. done

Uninstall:
1. delete \yourWitcher3Directory\mods\modKNGPhilipasMagicCrystal\
2. delete \yourWitcher3Directory\dlc\DLCKNGPhillipaCrystal\
3. done

How to Use:

1. visit Brams (the merchant dude) in White Orchard
2. buy item
3. equip item
4. use item

If you are in combat and have a target, you will automatically acquire your current target.