It is a fully-metalized re-color of the Hallowed Set, plus the Mask.
Total-Defense-60, Set Bonus-+30% Damage, crafted at Refining Anvil
Refined Mask-10 Defense, 20% chance to fire three projectiles (even swords that don't shoot projectiles, crafting-Hallowed Mask, Broken Armor Piece
Refined Breastplate-30 Defense, 10% increased melee speed, crafting-Hallowed Breastplate, Broken Armor Piece
Refined Greaves-20 Defense, 10% increasedknock back, crafting-Hallowed Greaves, Broken Armor Piece