In-game details
[Master PvP Back Slot Driller]Master PvP Back Slot Driller
Bound
Item Shop Item
Tools
Can be used to add one extra rune slot to an item worn in the "back" slot up to a maximum of 4 slots. (After right-clicking the item, click on the "back" slot item to which you want to add the rune slot.)
Can only be used on PvP gear.
Cannot be sold in store
Maximum stack100
Middle-click to copy ID