Guild Wars 2 Carrion Sneakthief Leggings of Mercy Item

Superior Rune of Mercy
(1): +25 Toughness
(2): Gain up to 400 toughness while reviving an ally, based on your level.
(3): +50 Toughness
(4): You resurrect allies with 30% more health.
(5): +100 Toughness
(6): You revive allied players 20% faster.