Zuriel's staff

Zuriel's staff is a magic weapon exclusive to Deadman seasonals, requiring 78 Ranged to wield. It is part of Zuriel's equipment, a set of Ancient Warriors' Equipment, and is dropped by any NPC found in the wilderness as part of a global wilderness loot table, the chance being relative to the combat level of the NPC.

Passive effects
The Zuriel's staff has special effects when using Ancient Magicks as follows:
 * Ice spells have 10% more accuracy.
 * Blood spells heal 50% more.
 * Smoke spells poison effect starts 2x higher.
 * Shadow spells drain attack 2x higher.

Trivia

 * Ancient Warriors' equipment were originally added in a 2008, a year after the backup of Old School Runescape.
 * Zuriel's staff, along with other Ancient Warriors' equipment was polled a possible drop from revenants, this poll failed.