The Iron Mass

Gladius

One Hand Swords

Quality: +20%

Physical Damage: (159-173) to (230-250)

Critical Strike Chance: 5%

Attacks per Second: (1.48-1.53)

Weapon Range: 1.1 metres

Requires Level 60, 113 Str, 113 Dex

40% increased Global Accuracy Rating

(175–200)% increased Physical Damage

(14–18)% increased Attack Speed

Unholy Might

Summoned Skeleton Warriors and Soldiers wield this Weapon while in your Main Hand

Summoned Skeleton Warriors and Soldiers deal Triple Damage with this
Weapon if you've Hit with this Weapon Recently

has unholy might [1]

(Unholy Might grants 100% of Physical Damage converted to Chaos Damage and 25% chance to apply Withered on Hit)

(Recently refers to the past 4 seconds)

Lead by example.

The Iron Mass Attr /9

Name	Show Full Descriptions
Limit	「Heist」League Specific
The Market	The Market
Acronym	Hit, Weapon, Skeleton, Unholy Might, Withered, Recently
Icon	Art/2DItems/Weapons/OneHandWeapons/OneHandSwords/SkeletonSword
Icon
Release Version	Heist
BaseType	Gladius
Skill	Unholy Might Withered
Reference	poe.ninja, Community Wiki

40% increased Global Accuracy Rating

Family	IncreasedAccuracy
Domains	Item (1)
GenerationType	Unique (3)
Req. level	1
Stats	accuracy rating +% Min: 40 Max: 40 Global
Craft Tags	attack

(175–200)% increased Physical Damage

Family	LocalPhysicalDamagePercent
Domains	Item (1)
GenerationType	Unique (3)
Req. level	1
Stats	local physical damage +% Min: 175 Max: 200 Local
Adds Tags	has_attack_mod
Craft Tags	physical_damage damage physical attack

(14–18)% increased Attack Speed

Family	IncreasedAttackSpeed
Domains	Item (1)
GenerationType	Unique (3)
Req. level	1
Stats	local attack speed +% Min: 14 Max: 18 Local
Adds Tags	has_attack_mod
Craft Tags	attack speed

Unholy Might
has unholy might [1]

Family	UnholyMightBuff
Domains	Item (1)
GenerationType	Unique (3)
Req. level	1
Stats	has unholy might Min: 1 Max: 1 Global local display grants unholy might Min: 1 Max: 1 Local

Unholy Might

Your Physical Damage is converted to Chaos Damage, and you have a 25% chance to Wither on hit

has unholy might [1]

Family	DummyStatDisplayNothing
Domains	Item (1)
GenerationType	Unique (3)
Req. level	1

Summoned Skeleton Warriors and Soldiers wield this Weapon while in your Main Hand

Family	SummonSkeletonsWarriorsGetWeaponStats
Domains	Item (1)
GenerationType	Unique (3)
Req. level	1
Stats	summoned skeleton warriors get weapon stats in main hand Min: 1 Max: 1 Local
Adds Tags	minion_unique_weapon

Summoned Skeleton Warriors and Soldiers deal Triple Damage with this
Weapon if you've Hit with this Weapon Recently

Family	SkeletonWarriorsTripleDamage
Domains	Item (1)
GenerationType	Unique (3)
Req. level	1
Stats	local grant skeleton warriors triple damage on hit Min: 1 Max: 1 Local
Adds Tags	minion_unique_weapon

{
    "w": 2,
    "h": 3,
    "icon": "https://web.poecdn.com/gen/image/WzI1LDE0LHsiZiI6IjJESXRlbXMvV2VhcG9ucy9PbmVIYW5kV2VhcG9ucy9PbmVIYW5kU3dvcmRzL1NrZWxldG9uU3dvcmQiLCJ3IjoyLCJoIjozLCJzY2FsZSI6MX1d/f3b8e5c988/SkeletonSword.png",
    "league": "Affliction",
    "name": "The Iron Mass",
    "typeLine": "Gladius",
    "baseType": "Gladius",
    "rarity": "Unique",
    "ilvl": 75,
    "properties": [
        {
            "name": "One Handed Sword",
            "values": [],
            "displayMode": 0
        },
        {
            "name": "Physical Damage",
            "values": [
                [
                    "141-204",
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                ]
            ],
            "displayMode": 0,
            "type": 9
        },
        {
            "name": "Critical Strike Chance",
            "values": [
                [
                    "5.00%",
                    0
                ]
            ],
            "displayMode": 0,
            "type": 12
        },
        {
            "name": "Attacks per Second",
            "values": [
                [
                    "1.52",
                    1
                ]
            ],
            "displayMode": 0,
            "type": 13
        },
        {
            "name": "Weapon Range: {0} metres",
            "values": [
                [
                    "1.1",
                    0
                ]
            ],
            "displayMode": 3,
            "type": 14
        }
    ],
    "requirements": [
        {
            "name": "Level",
            "values": [
                [
                    "60",
                    0
                ]
            ],
            "displayMode": 0,
            "type": 62
        },
        {
            "name": "Str",
            "values": [
                [
                    "113",
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                ]
            ],
            "displayMode": 1,
            "type": 63
        },
        {
            "name": "Dex",
            "values": [
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                ]
            ],
            "displayMode": 1,
            "type": 64
        }
    ],
    "implicitMods": [
        "40% increased Global Accuracy Rating"
    ],
    "explicitMods": [
        "161% increased Physical Damage",
        "17% increased Attack Speed",
        "Unholy Might",
        "25% chance to inflict Withered for 2 seconds on Hit with this Weapon",
        "Summoned Skeleton Warriors and Soldiers wield this Weapon while in your Main Hand",
        "Summoned Skeleton Warriors and Soldiers deal Triple Damage with this\nWeapon if you've Hit with this Weapon Recently"
    ],
    "flavourText": [
        "Lead by example."
    ],
    "frameType": 3,
    "extended": {
        "dps": 282.34,
        "pdps": 282.34,
        "edps": 0,
        "dps_aug": true,
        "pdps_aug": true,
        "mods": {
            "explicit": [
                {
                    "name": "",
                    "tier": "",
                    "level": 1,
                    "magnitudes": [
                        {
                            "hash": "explicit.stat_1509134228",
                            "min": 140,
                            "max": 175
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                    ]
                },
                {
                    "name": "",
                    "tier": "",
                    "level": 1,
                    "magnitudes": [
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                            "hash": "explicit.stat_210067635",
                            "min": 14,
                            "max": 18
                        }
                    ]
                },
                {
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                    "level": 1,
                    "magnitudes": [
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                            "hash": "explicit.stat_1646760085",
                            "min": 1,
                            "max": 1
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                    ]
                },
                {
                    "name": "",
                    "tier": "",
                    "level": 1,
                    "magnitudes": [
                        {
                            "hash": "explicit.stat_1226121733",
                            "min": 20,
                            "max": 25
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                    ]
                },
                {
                    "name": "",
                    "tier": "",
                    "level": 1,
                    "magnitudes": [
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                },
                {
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                    "magnitudes": [
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                            "hash": "explicit.stat_697059777",
                            "min": 1,
                            "max": 1
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                    ]
                }
            ],
            "implicit": [
                {
                    "name": "",
                    "tier": "",
                    "level": 1,
                    "magnitudes": [
                        {
                            "hash": "implicit.stat_624954515",
                            "min": 40,
                            "max": 40
                        }
                    ]
                }
            ]
        },
        "hashes": {
            "explicit": [
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            "implicit": [
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        },
        "text": "Item Class: One Hand Swords
Rarity: Unique
The Iron Mass
Gladius
--------
One Handed Sword
Physical Damage: 141-204 (augmented)
Critical Strike Chance: 5.00%
Attacks per Second: 1.52 (augmented)
Weapon Range: 1.1 metres
--------
Requirements:
Level: 60
Str: 113
Dex: 113
--------
Sockets: G-R 
--------
Item Level: 75
--------
40% increased Global Accuracy Rating (implicit)
--------
161% increased Physical Damage
17% increased Attack Speed
Unholy Might
25% chance to inflict Withered for 2 seconds on Hit with this Weapon
Summoned Skeleton Warriors and Soldiers wield this Weapon while in your Main Hand
Summoned Skeleton Warriors and Soldiers deal Triple Damage with this\nWeapon if you've Hit with this Weapon Recently
--------
Lead by example.
--------
Note: ~price 4 chaos
"
    }
}

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Community Wiki

Edit

The Iron Mass

Mechanics

Buff/Debuff

Recently refers to the last 4 seconds.

Math

Base Damage

Summon Skeletons normally have their own weapon with .8 attacks per second that gains base damage as they level up. A level 20 skeleton has 1,012 average damage per hit.

The Iron Mass removes the skeletons' attack speed and base weapon damage from leveling up the gem and replaces it with its own damage and attack speed. An Iron Mass with maximum attack speed and damage rolls has 1.53 attacks per second and 195 average damage per hit.

A level 20 skeletons does (1,012 X .8) = 810 DPS

A perfect rolled hidden blade does (195 X 3) = 585 (585 X 1.53) = 895 (Note: Can go higher with corrupted modifiers.)

Scaling Damage

Skeleton damage normally scales with X 1.5 damage and X .8 attack speed. (1.5 X .8) = 120% of raw damage scaling.

Skeletons with The Iron Mass have X 3 = damage and X 1.53 attack speed. (3 X 1.53) = 459% of raw damage scaling.

459 / 120 = 3.825

The Iron Mass gives nearly 4 times the damage per second from flat added damage and the base weapon damage is lower than skeleton damage from the gem at level 22. These 2 factors make added flat damage give higher damage per second than a skeleton build that doesn't use The Iron Mass.

A few examples of flat minion damage may include:

Added Chaos Damage Support
Abyss jewels with Minions deal # to # additional [damage type] Damage
Auras with flat damage such as Envy.
Rallying Cry
Summon Carrion Golem have a buff that increases other minions' flat damage. This can be boosted by things like:
- 150% increased Effect of the Buff granted by carrion golems from the Eternal Labyrinth helmet enchantment.
- (#)% increased Effect of Buffs granted by your Golems from multiple sources. See golems.

Item acquisition

The Iron Mass can rarely replace a Curio Display in the final reward room of Alternate Quality Gems Blueprints e.g. Blueprint: Repository and Blueprint: Tunnels and cannot be chanced.

Version history

Version	Changes
3.20.1b	Updated various descriptions to clarify which stats only apply to Summon Skeletons, and which apply also to Vaal Summon Skeletons (such as the modifier on Alberon's Warpath). Melee Skeletons from the Vaal Summon Skeletons are now referred to as "Soldiers" rather than "Warriors" in descriptions.
3.12.0	Introduced to the game.

Wikis Content is available under CC BY-NC-SA 3.0 unless otherwise noted.

The Iron Mass

The Iron Mass Attr /9

40% increased Global Accuracy Rating

(175–200)% increased Physical Damage

(14–18)% increased Attack Speed

Unholy Mighthas unholy might [1]

Summoned Skeleton Warriors and Soldiers wield this Weapon while in your Main Hand

Summoned Skeleton Warriors and Soldiers deal Triple Damage with thisWeapon if you've Hit with this Weapon Recently

Item

Community Wiki

The Iron Mass

Mechanics

Buff/Debuff

Math

Base Damage

Scaling Damage

Item acquisition

Version history

Unholy Might
has unholy might [1]

Summoned Skeleton Warriors and Soldiers deal Triple Damage with this
Weapon if you've Hit with this Weapon Recently