It consisted of a Wither Visor, Wither Chestplate and Wither Greaves.
The Wither Visor gave 18 defense, 15% increased critical strike chance, and increased life regeneration by 4; the Wither Chestplate gave 23 defense, 18% increased damage, and 8% increased movement speed; and the Wither Greaves gave 21 defense and 15% increased critical strike chance.
A full set provided a total of 62 defense, 18% increased damage, 30% increased critical strike chance, 8% increased movement speed, and increased life regeneration by 4. Its set bonus summoned a mass of wither energy that followed the player, firing wither shots that homed in on enemies.