Guild Wars 2 Cleric's Sneakthief Shoulderguards of Lyssa Item

Superior Rune of Lyssa
(1): +25 Precision
(2): +5% Condition Duration
(3): +50 Precision
(4): When you use a heal skill you gain a random boon for 10 seconds. (Cooldown: 10s)
(5): +100 Precision
(6): When you use an elite skill, convert up to 5 conditions into boons. (Cooldown: 45s)