Critical Riposte is a craftable item set that can be crafted at the Vlastarus Armory in Cyrodiil. To be able to enter the armory, your alliance must hold Vlastarus.
To craft an item for this set, a crafter must have researched three traits for the particular item.
2 items: Adds 9-424 Critical Resistance
3 items: Adds 28-1206 Maximum Health
4 items: Adds 9-424 Critical Resistance
5 items: When you take critical damage, you apply Minor Uncertainty and Minor Enervation to the enemy for 9 seconds, reducing their Physical and Spell Critical by 1314 and reducing their Critical Damage by 10%. An enemy can only be affected by your Critical Riposte once every 10 seconds.