Armor set · Legendary

Crupellarius' Iron (Legendary armor set)

Crupellarius’ Iron is the tank set: the highest flat damage reduction in the game plus a stronger block. Full GloryBound set bonus: -7% Damage taken, +8% Block strength, plus +23 Vitality and +115 Max HP; pieces are forged at the Forge for 100 Forge Embers in total.

Checked in-game · Nov 11, 2026Game version: Update 3 – Trials & RaidsHow we test ↗
RarityLegendary
Set bonus-7% Damage taken · +8% Block strength
Flat stats+23 Vitality, +115 Max HP
LookSet look and aura
Pieces fromForge (100 Embers)

Copied from the Sets panel · Nov 11, 2026

The Crupellarius' Iron panel in game: bonus, pieces and where each piece comes from.

Our take on Crupellarius' Iron

“Iron from crown to heel”

-7% damage taken beats every other set’s reduction, and +8% block strength makes the Gladiator’s 70% block even better. On a Gladiator it is the cheapest way to survive the Insane waves, at 100 Embers. On any other class the block line is wasted, so Archers and Lancers should look at Dis Pater instead.

What does the Crupellarius' Iron set bonus do?

-7% Damage taken

Reduces all incoming damage. Defensive, always on, and most valuable in the Insane waves (41+) and in the Weekly Raid.

+8% Block strength

Makes your block stronger. Only the Gladiator can block (the class card says “Block: 70% less damage”), so this line is wasted on other classes.

+23 Vitality and +115 Max HP

On our level-1 Gladiator with 124 Max HP, the set’s +115 Max HP alone would be a 93% increase. Every set adds flat health that scales with rarity. Legendary sets give +23 Vitality / +115 Max HP, against +19 / +95 for Epic and +28 / +140 for Mythic.

How do you get the Crupellarius' Iron pieces?

SlotPieceSource
HelmCrupellarius Closed Helm20 Forge Embers
ChestCrupellarius Iron Hoops30 Forge Embers
HandsCrupellarius Vambraces20 Forge Embers
LegsCrupellarius Greaves30 Forge Embers

The full set costs 100 Forge Embers. The panel says “Embers come from Survival round 21 on”, and the Forge caps Embers at 40 a day, so even with perfect runs the set takes at least 3 days. Forge the pieces in the order that fits your build; the bonus only turns on with all four.

Legendary gear can also come from chests. These are the chests that can roll Legendary items:

ChestLegendary chanceArmor / weapon splitPrice
Epic Chest25%Armor 60% · Weapon 40%3,200 Cash or 99 Robux
Legendary chest85%—not sold (from codes and rewards)

A chest that rolls Legendary still picks one item from every Legendary armor and weapon, so a specific piece of Crupellarius' Iron is much rarer than the Legendary chance.

Who should use Crupellarius' Iron?

  • Long Survival runs: -7% Damage taken.
  • Gladiator (sword and shield): -7% Damage taken, +8% Block strength.

How to build around Crupellarius' Iron

Long Survival runs. For long Survival runs, pick boons that match the set, never leave early (the result bonus drops to x0.50), and push past round 21, where Forge Embers start dropping for your next Legendary or Mythic set.

Gladiator (sword and shield). Pair it with the Gladiator’s block (70% less damage) and the Scutum path: Iron Skin adds +4% Max health per rank, and the capstone Unbreakable cuts damage by 20% below 35% health. Hold block through boss wind-ups and counter with the slash, backhand and shield bash chain.

Fit: our reading of the bonus Based on the class cards and skill tree we saw in game, not on damage tests.

Similar sets

  • Upgrade (Mythic): Dis Pater, +15% Damage to weak foes, +1.5% Kill heal, -5% Damage taken
  • Cheaper (Epic): Praetorian Guard, +8% Damage to foes, -4% Damage taken

How does it compare with other Legendary sets?

SetBonusSource
Crupellarius' Iron-7% Damage taken, +8% Block strengthForge 100
Dimachaerus' Twin Steel+7% Attack speed, +4% Crit chanceForge 100
Junonian Regalia+8% Double boon chance, +10% Max HPForge 100
Triumphator's Regalia+12% Match Cash, +10% Match XPForge 100
Vulcan's Forge+12% Blessing damage, +8% Armor pierceForge 100

FAQ

What is the Crupellarius' Iron set bonus in GloryBound?
With all 4 pieces worn: -7% Damage taken, +8% Block strength, plus +23 Vitality and +115 Max HP, and a set look with an aura.
How do you get the Crupellarius' Iron set?
Its pieces are forged at the Forge for 100 Forge Embers in total. Embers come from Survival round 21 on, up to 40 a day, so it takes at least 3 days of Embers. Legendary gear also drops from the Epic Chest (25% Legendary) and the Legendary chest (85% Legendary).
Is Crupellarius' Iron a good set?
It is best for long survival runs, gladiator (sword and shield). For an upgrade with a similar bonus, look at Dis Pater (Mythic).

Sources