are obtained from gold chests in the
Shades of Mort'ton minigame
. They can be added to any elemental staff, battlestaff, or mystic staff to change the appearance. Elemental staves become
, battlestaves become
and mystic staves become
. This operation requires level 85
and provides 130 Crafting experience.
As the skull staves are untradeable, the skulls can be removed from the staves. There is a cooldown period of 5 minutes after adding a skull to a staff, where if it is removed, the Crafting experience is not gained.
The Shade skull's icon is almost the same as the magic skullball's icon.
Previously, adding a Shade skull to a single-element mystic staff would give it a +5% magic damage bonus. This no longer happens due to stat changes made after the Evolution of Combat update.
When the Shade skull is found it appears in the adventurer's log: "While battling shades in Mort'ton, I looted a shade skull."