Witch-Knight’s Defiance in ESO is a Medium Armor Set that boosts damage against poisoned enemies and drops in The Reach zone!
Voidcaller in ESO is a PVP oriented Light Armor Set, that you can get as an Overland drop from The Reach zone.
Radiant Bastion in ESO is a Support, Heavy Armor Set that you can get as an overland drop from The Reach DLC zone!
Red Eagle’s Fury in ESO is a decent DPS Crafted Armor Set and its crafting stations are located in The Reach.
Legacy of Karth in ESO is a Crafted Armor Set and its crafting stations are located in The Reach zone on the North.