Void staff

The Void Staff is the best staff in RuneScape and gives the best possible magic bonus. Also it gives an unlimited amount of Air runes,Earth runes,Water runes, Fire runes and Sun runes. In addition to this, it has a 60% chance to save a rune while casting a spell and 20% chance of saving 2 runes while casting a spell. Also once a player deals damage to his/her opponent then 10% of that damage is added to the users LP. The staff can only be obtained as an extremely rare drop from the Void Dragon.