Affliction is a stamina based heavy armor set. When you deal damage, you have a 50% chance to deal an additional 2838 disease damage. This effect can occur once every 4 seconds.
The set activates on any damage dealt. The disease damage can be increased with the Champion Points Perks Mighty (increases poison damage) and Master-at-Arms (increases direct damage).
Affliction is part of the base game and can be found in Cyrodiil from the Vlastarus Elite Gear Vendor or from the Rewards of the Worthy. Each set item is bound on equip. You can acquire heavy armor, jewelry and weapons for this set. The set uses Aldmeri Dominion, Daggerfall Covenant and Ebonheart Pact motif, depending on your alliance.