Guild Wars 2 Cleric's Sneakthief Mask of Rage Item

Superior Rune of Rage
(1): +25 Ferocity
(2): +10% Fury Duration
(3): +50 Ferocity
(4): 25% chance when struck to gain fury for 15 seconds. (Cooldown: 30s)
(5): +100 Ferocity
(6): +20% fury duration; while under the effects of fury gain +5% damage.