Obelisk of air
The Obelisk of air is a piece of scenery located on a mountain in the level 6 wilderness. It can be reached by climbing the ladder north of the Black demons in the Edgeville Dungeon. It is the only location where the charge air orb spell can be cast ,which requires level 66 magic to use. When the spell is cast on the obelisk, it will turn one unpowered orb into an air orb, giving the player 152 magic experience. This charged orb can then be added to a battlestaff to make a battlestaff of air, granting 137.5 crafting experience.