The Assembly of Iron - Ulduar boss guide

Tactics for the Iron Gathering in Ulduar 10/25 for WoW 3.3.5a: Steelbreaker, Runemaster Molgeim and Stormbringer Brundir, Supercharge, kill order like hardmode and full loot.
Review
Three of Loken's generals in one encounter: the giant Steelbreaker, the runemaster Molheim and the stormpet Brundir. Advice - all three fight at once, all aggro together. The trick in Supercharge: when one dies, the two survivors are fully healed, receive +25% damage and unlock a new ability. That is, the further it goes, the angrier it gets. There is no hardmode as a button here - hardmode is a KILLING ORDER. Whoever was left last determines the difficulty and loot: Steelbreaker last = hardmode.
- Loot drops ONLY from the last one killed. In the script, all three have `SetLootMode(0)` on reset and `ResetLootMode()` only in the third phase - that is, a boss with two stacks of Supercharge. Wowhead's loot tables show this incorrectly.
- Order of difficulty: Brundir last - easiest, Molheim last - medium, Steelbreaker last - HARDMODE.
- Achievements “I choose you, X” require you to kill X last (in the script, check `GetAuraCount(SPELL_SUPERCHARGE) >= 2`).
- Steelbreaker's energy strike causes a magic pillbox to hit 15,000 per second - NOT removed = tank corpse. The paladin tank can remove it himself, the warlock can be devoured by the Void Hunter.
- Molheim's runic shield must be knocked down: if the shield withstands 20,000 absorption and falls off on its own, Molheim will receive +50% damage for 15 seconds. Dispell or Spell Stealing.
- Brundir's overload does not stop and is not interrupted - you can only run away from it (20,000 damage at 20 meters + knockback).
- While the other two are alive, Brundir on the Overload channel is unkillable (in the `SetInvincibility(true)` script) - do not waste CD on him at this moment.
Combat phases
Each boss works with a basic set. Steelbreaker: passive High Voltage (1500 nature damage to the entire raid every 3 sec) and Energy Strike every 15-20 sec. Molheim: Rune Shield every 27-34 sec and Rune of Power every minute. Brundir: Chain Lightning every 9-17 sec and Overload every 25-40 sec. Three tanks, three corners.
- Dispell Dot Energy Strike
- Shoot down Rune Shield
- Chain Lightning Kick
- Escape from Overload
- Stand in the Rune of Power
Two survivors are fully healed (in the `RestoreAssemblyHealth` script), receive +25% damage and one new ability each. Steelbreaker adds Static Glitch, Molheim adds Death Rune, and Brundir adds Lightning Vortex.
- Full healing of survivors - don't panic from the stripe
- +25% damage
- Everyone has a new ability
The latter is fully healed, receives a second stack (+50% damage in total) and a third ability. Steelbreaker - Overwhelming Energy, Molheim - Rune of Summoning, Brundir - Glowing Appendages plus Storm Shield. ONLY this boss drops loot. It also determines the “I choose you” achievement.
- +50% damage
- Third ability
- Loot only from here
Abilities
Positioning
The three bosses are dispersed to different points in the hall. Classics from ru-realms: Steelbreaker at the entrance with the main tank, Molheim and Brundir - to the side near the second (and third in 25) tank. The raid and heals are worth a bunch for the sake of a chain heal under High Voltage, BUT 20 meters from Brundir due to Overload. In Brundir's third phase, the raid spreads out in a wide semicircle at maximum range.
Role Tips
- A paladin on a Steelbreaker is not a luxury, but an economy: he cleans the Energy Strike pillbox himself, without spending GCD heals.
- DK can eat an entire Energy Strike with Anti-Magic Shell - but he won’t wait until 15,000/sec if the shell is on cooldown.
- Molheim places a Rune of Power under the most wounded ally - often right under your boss. Move away, but don't stop Range from getting into it.
- Hardmode: Overwhelming energy every 61 seconds in 10 and every 36 sec in 25 - in 25 you need a rotation of three to four people, not two.
- It is necessary to stand in a bunch due to the High Voltage, but at the same time 20 meters from Brundir - that’s the whole geometry of the battle.
- Dot with Energy Strike - 15,000 per second. If no one has removed it, there is no point in healing it, it must be removed.
- Let the carrier of the Static Glitch run away: +75% to nature damage while under the constant aura of the Steelbreaker is a death sentence.
- After each boss death, the survivors are fully healed. This is not a bug - plan your mana for all three phases, not just one.
- Molheim's runic shield must be removed: if it falls off on its own, Molheim will receive +50% damage for 15 seconds.
- Kiki on Brundir - from the first second. In the third phase, his Storm Shield and stuns stop working altogether, leaving only real Interrupts.
- Step into the Rune of Power: +50% damage for a minute, it's free.
- A trick for hardmode: finishing off Molheim immediately after he placed the Rune of Power and dragging Steelbreaker to it - the raid gets +50% for the entire final burst.
- If you don't want hardmode, kill Steelbreaker first. You want to be the last, but remember: every death in the raid gives him +25% damage forever.
Loot
| Slot | Item | Classes | Note |
|---|---|---|---|
| Head | Crown of true vision | HunterShaman | 10, Brundir last. Chain mail, physical dps: 74 agility, 101 stamina, 57 int, crit, accuracy, 166 AP, meta + blue socket. |
| Back | Cloak of the Iron Assembly | WarriorPaladinDeath Knight | 10. Tank Cloak: 52 strength, 95 stamina, blocking, defense, mastery. |
| Wrists | Wristwraps of Runic Touch | PriestMageWarlock | 10. Fabric, heal/caster: 55 stamina, 44 int, 31 spirit, 49 crit, 73 SP. |
| Belt | Belt of the Iron Minion | Shaman | 10. Chain mail, heal: 73 stamina, 63 int, 41 haste, 31 mp5, 98 SP. |
| Legs | Leggings of Quick Reaction | RogueDruid | 10. Skin, physical dps: 112 agility, 97 stamina, 56 crit, 80 haste, 171 AP. |
| Shoes | Boots of the Petrified Forest | Druid | 10. Leather, heal/caster: 73 stamina, 60 int, 55 spirit, 56 haste, 98 SP. |
| Shoes | Greaves of Iron Strength | WarriorPaladinDeath Knight | 10. Plate, physical dps: 96 strength, 95 stamina, 48 crit, 59 accuracy. |
| Weapons | Spear of the Storm | PriestPaladinShamanDruid | 10. Dagger in the right hand 1.80, heal: 35 stamina, 37 int, 36 spirit, 56 haste, 515 SP. |
| Weapons | Runed Nightblade | RogueHunterShamanDruid | 10. One-handed sword 1.40: 49 agility, 53 stamina, 34 crit, 59 AP, 27 AP. |
| Ring | Lady Mae's Sapphire Ring | PriestPaladinShamanDruid | 10. Hilian Ring: 54 stamina, 45 int, 47 spirit, 34 haste, 75 SP. |
| Neck | Watchful Eye of Fate | PriestPaladinShamanDruid | 10 HARDMODE (Last Steelbreaker), ilvl 239. Hil's neck: 58 stamina, 41 int, 42 spirit, 45 haste, 84 SP. |
| Belt | Crystal Tree Belt | Druid | 10 HARDMODE, ilvl 239. Leather, heal/caster: 102 stamina, 53 int, 58 spirit, 45 haste, 111 SP. |
| Weapons | Kneader | RogueShamanDruid | 10 HARDMODE, ilvl 245. Fist weapon 2.70: 48 agility, 51 stamina, crit, accuracy, 91 AP, 1983 AP in beast form. |
| Weapons | Bane's Bite | RogueDruid | 10 HARDMODE, ilvl 245. One-handed dagger 1.80: 58 agility, 60 stamina, 39 accuracy, 70 AP, 27 AP, 1982 AP in beast form. |
| Ring | Loop movable | RogueHunterShamanDruid | 10 HARDMODE, ilvl 239. 71 agility, 59 stamina, 51 crit, 36 haste, 86 AP. |
| Head | Ancient Iron Tophelm | Paladin | 25. Plate, healing: 105 stamina, 86 int, 71 crit, 64 haste, 122 SP, meta + yellow socket. |
| Neck | Unbridled Zeal | WarriorPaladinDeath Knight | 25. Neck str-dps: 76 strength, 76 stamina, 49 crit, 38 haste. |
| Neck | Unblinking Eye | PriestPaladinShamanDruid | 25. Hil's Neck: 49 stamina, 45 int, 43 spirit, 52 crit, 78 SP. |
| Shoulders | Iron Ornamented Mantle | HunterShaman | 25. Chain mail, physical dps: 63 agility, 77 stamina, 47 int, 47 accuracy, 180 AP, 49 AP. |
| Back | Drape Lita | RogueHunterShamanDruid | 25. Cloak physical dps: 67 agility, 67 stamina, 38 accuracy, 49 haste, 89 AP. |
| Chest | Vestments of the Iron Assembly | PriestMageWarlock | 25. Fabric, heal/caster: 105 stamina, 86 int, 61 spirit, 74 haste, 122 SP, 2 sockets. |
| Chest | Felia's clothes from young shoots | Druid | 25. Leather, heal/caster: 90 stamina, 91 int, 80 spirit, 72 crit, 131 SP. |
| Chest | Steelbreaker's Garb | WarriorPaladinDeath Knight | 25. Plate, physical dps: 128 strength, 137 stamina, 87 crit, 61 mastery. |
| Hands | Runemaker's Gloves | Shaman | 25. Chain mail, heal/caster: 77 stamina, 66 int, 43 crit, 68 haste, 95 SP. |
| Hands | Enclave Handguards | WarriorPaladin | 25. Plate, tank with shield: 89 strength, 134 stamina, blocking, defense, skid +143 to block indicator. |
| Legs | Surge Breeches | PriestMageWarlock | 25. Fabric, DPS caster: 90 stamina, 91 int, 86 accuracy, 70 haste, 140 SP. |
| Shoes | Runed Ironhide Boots | RogueDruid | 25. Skin, physical dps: 82 agility, 95 stamina, 104 AP, 52 AP, 59 mastery. |
| Ring | Shining Signet | PriestPaladinShamanDruid | 25. Hilian Ring: 67 stamina, 44 int, 49 haste, 19 mp5, 78 SP. |
| Weapons | Storm Rune Blade | HunterDruid | 25, ilvl 238. Two-handed sword 3.40 on DEX: 128 agility, 127 stamina, 91 crit, 169 AP, 74 AP - hunter stat stick. |
| Neck | Sapphire Amulet of Renewal | PriestPaladinShamanDruid | 25 HARDMOD (Last Steelbreaker), ilvl 252. Hil's neck: 79 stamina, 54 int, 53 spirit, 40 haste, 85 SP. |
| Shoulders | Intruder's Shoulderpads | RogueDruid | 25 HARDMODE, ilvl 252. Skin, physical dps: 99 agility, 109 stamina, 63 accuracy, 139 AP, 54 mastery, 2 sockets. |
| Back | Drape of Death | PriestMageWarlock | 25 HARDMODE, ilvl 252. DPS caster cloak: 69 stamina, 58 int, 49 crit, 46 accuracy, 85 SP. |
| Belt | Belt of Monstrous Fury | WarriorPaladinDeath Knight | 25 HARDMODE, ilvl 252. Plate, physical dps: 106 strength, 123 stamina, 73 crit, 54 accuracy, 2 sockets. |
| Shoes | Greaves of Lightning Slaughter | HunterShaman | 25 HARDMODE, ilvl 252. Chain mail, physical dps: 79 agility, 63 stamina, 56 int, 48 crit, 48 accuracy, 130 AP, 2 sockets. |
| Weapons | Fang of Oblivion | RogueDruid | 25 HARDMODE, ilvl 252. One-handed dagger 1.80: 53 agility, 61 stamina, 33 crit, 27 haste, 91 AP, 2133 AP in beast form. |