Increases Damage vs. Mist Monsters by up to 42% based on the percentage of your missing health. In addition, taking damage has a 45% chance to conjure a Phantasm (targets a nearby enemy, dealing 62 base Energy damage in a 0.5 tile radius, 1.5 second cooldown)
Armor
You can use it in your storm shields defenses , standing in front of the spawn and you won't die . Specially on Twine Peaks (1-10)