$?diff15|diff16 [Incur the ire of Diurna's weapon, consuming one charge of Greatstaff's Wrath.][Incur the ire of Diurna's weapon, consuming Greatstaff's Wrath.] The weapon sends a focused beam of storm energy into the ground which pursues the player, inflicting 20 Nature damage to players within 3 yards every half-second during pursuit.