Skull Spear

Acquisition
Drop research is ongoing and can be found here.
 * Nightfall
 * The Desolation
 * Desert Wurm
 * Dune Spider
 * Graven Monolith
 * Mandragor Terror
 * Sandstorm Crag
 * Sapphire Djinn
 * Locked Chests
 * Realm of Torment
 * Margonite Chests
 * Eye of the North
 * Tarnished Coast
 * Krait Neoss
 * Raptor Nestling
 * Alcazia Tangle
 * Ferothrax
 * Redhand Simian
 * Core
 * The Mists
 * Heroes' Ascent
 * Chest (Hall of Heroes)
 * The Underworld
 * Underworld Chest

Dye
Dye does not create any visible difference to the spear itself, but does change the inventory icon.