Expose an enemy's weaknesses to afflict them with Major Fracture and Major Breach, reducing their Physical Resistance and Spell Resistance by 5280 for 20 seconds.
When a marked enemy dies, you heal for 40% of your Max Health.
You can only have one Mark Target active at a time.
Actually, Mark Target damage averaged out to be LESS than when they weren't marked, but it was such a miniscule amount, it was because of the RNG factor.
Marks cannot be applied by just anyone — you must have a power, class feature, item, or some other effect that allows you to mark creatures. The method for marking targets varies from class to class. A can mark a creature with a minor action, while a fighter marks with every attack, even on a miss. A , however, normally has no mechanism for applying marks. A can mark a target with the power, but this is a rare occurrence.