Noble Duelist's Silks is a light armor set. When you dodge an attack, your Light and Heavy attacks deal an additional 1225 damage for 8 seconds.
The Noble Duelist's Silks set is part of the base game. It drops in Blessed Crucible in The Rift. Each set item is bound on pickup. You can acquire light armor, weapons and jewelry of this set in the Aldmeri Dominion, Daggerfall Covenant or Ebonheart Pact motif style.