Vile Fury

There are multiple versions of this effect:

Effect on The Watcher in the Water in The Vile Maw raid:

Vile Fury

• Resistance: Corruption (60)
• 'The Watcher's reach knows no bounds.'
• x1.33 Melee Damage

Effect on Umshûra the Glutton in the Depths of Mâkhda Khorbo raid:

Vile Fury

• Resistance: Corruption (150)
• +25% Melee Damage
• Expired if out of combat for a short amount of time.