Broadhead Spear

Acquisition

 * Nightfall
 * Kourna
 * Vabbi
 * Desolation
 * Eye of the North
 * Cathedral of Flames
 * Secret Lair of the Snowmen
 * Fronis Irontoe's Lair
 * Bogroot Chest
 * Darkrime Delves

Drop research is ongoing and can be found here.

Dye
Dye affects the inventory icon but has no noticeable effect on the item.