Warrior's Fury is an Elite Gear Set. Set pieces can be bought directly from the Elite Gear Vendors using Alliance Points, and are also available via "Rewards for the Worthy" mails by participating in PvP. Pieces are Abah's Watch Style in Heavy Armor.
2 items: Adds 14-1206 Maximum Health
3 items: Adds 12-1096 Maximum Stamina
4 items: Adds 1-129 Weapon Damage
5 items: When you take Critical Damage, your Weapon Damage is increased by 0-30 for 6 seconds, stacking up to 25 times.
The set consists of heavy armor and jewelry in all slots, as well as weapons and shields of all types.