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Molten Core

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This article is about the raid instance. For the 2008 April Fools, see World of Warcraft: The Molten Core. For the Warlock talent, see [Molten Core].
Molten Core
Molten Core loading screen.jpg
Molten Core loading graphic
Location Inside Blackrock Depths, Blackrock Mountain
Race(s) IconSmall CoreHound.gif Corehounds

IconSmall Lava.gif Lava elementals
IconSmall Fire.gif Fire elementals
IconSmall Flamewaker.gif Flamewakers

IconSmall MoltenGiant.gif Giants
End boss Ragnaros
Instance info
Type Raid
Advised level 60
Player limit 40
Key Attunement to the Core
Lockout timer 1 week
Associated faction Hydraxian Waterlords
Blackrock Mountain

The Molten Core is a level 60 raid dungeon located within Blackrock Mountain, home to Ragnaros the Firelord. It was one of two forty (40) player raid dungeons available upon release of World of Warcraft, with the other being Onyxia's Lair. Considered the pinnacle of raiding achievement at the time, the Molten Core enticed adventurers to enter the instance in the search of realm glory.

Just before the re-opening of the Dark Portal, Ragnaros - the land's fiery overlord - was cast down from his dark throne and returned to the firelands. Ragnaros now rages war on the world tree Nordrassil.



War of the Three Hammers.

The Molten Core was created during the War of the Three Hammers more than 300 years ago. Near the end of the war, Thaurissan, the leader of the Dark Iron Dwarves, sought to summon a powerful fire elemental to defeat the combined forces of the Bronzebeard and Wildhammer clans. He was more successful than he could have imagined, as he released Ragnaros the Firelord from millennia of captivity under the Redridge Mountains.

Ragnaros destroyed the city of Thaurissan and created the volcano of Blackrock Mountain. He dwells there to this day with his elemental servants and the enslaved remnants of the Dark Iron dwarf clan. The burning lake where Ragnaros lies sleeping acts as a rift connecting to the plane of fire, allowing the malicious elementals to pass through.

From Blizzard's Official World Dungeons site:

The Molten Core lies at the very bottom of Blackrock Depths. It is the heart of Blackrock Mountain and the exact spot where, long ago in a desperate bid to turn the tide of the dwarven civil war, Emperor Thaurissan summoned the elemental Firelord, Ragnaros, into the world. Though the firelord is incapable of straying far from the blazing Core, it is believed that his elemental minions command the Dark Iron dwarves, who are in the midst of creating armies out of living stone. The burning lake where Ragnaros lies sleeping acts as a rift connecting to the plane of fire, allowing the malicious elementals to pass through. Chief among Ragnaros' agents is Majordomo Executus - for this cunning elemental is the only one capable of calling the Firelord from his slumber.


The Molten Core in the TCG.

The Molten Core consists of rock and lava, with the lava forming rivers, small lakes and "lavafalls". Other features are small volcano-like smoke vents, molten cracks in the walls and roof, occasional dark iron deposits, and the runes of warding. Most locations do not have specific names, causing the majority of the Molten Core to be called simply "The Molten Core".

There are three possible ways to enter Molten Core:

Named subregions

Instance map


Molten Core bosses
Bosses Monsters


Main article: Molten Core loot

Upon successful completion of the encounters, all bosses drop tier 1 set items - excluding Ragnaros, who drops tier 2 leg items. In addition, trash mobs may drop Fiery Cores, Lava Cores, and  [Core Leather], which can be used to craft armor and weapons available with Thorium Brotherhood reputation.



Ragnaros and Executus, with player character shown for scale.

On release, Molten Core and Onyxia's Lair were the only 40 man instances in the game, thus Ragnaros was the first "game end boss." With the advent of Blackwing Lair, Ahn'Qiraj, Naxxramas (original), and the raising of the level cap with the game's expansions, defeating Ragnaros has long since ceased to be the pinnacle of raiding success. However, prior to the Burning Crusade, slaying him was still considered a very important step in raid progression before engaging in more challenging content. It was the first raid encounter which required a concerted effort in acquiring massive amounts of a particular statistic (in this case, fire resistance). Moreover, the encounter was the first one to demand the extensive use of consumables, at least in the learning process and in the first few kills. As such, it was once a very important stage in the evolution of a raiding guild.

However, as of the Burning Crusade expansion, this is no longer the case, as this instance is largely obsolete with the introduction of Outland green items with superior stats to most of Tier 1 (and the fact that most higher instances are lower than 40 man, making them a much more practical way to go). It is now typically only run for the  Molten Core achievement, or by players seeking to craft [Sulfuras, Hand of Ragnaros] or [Thunderfury, Blessed Blade of the Windseeker].

With the arrival of World of Warcraft: The Burning Crusade the popularity of the Molten Core took a turn for the worse, with items available in the expansion superior in quality to that of the Molten Core or any of the other forty player instances at the time. However, frustration with the hours-long instance duration were alleviated, allowing players to power through the Molten Core in record time - trivializing content. New abilities and better gear reduced the numbers of players needed to complete Molten Core from 40 to below 10.

In Wrath Of the Lich King, it is possible for some classes to solo Molten Core. The classes doing this are usually Paladins and Death Knights, but Hunters, Shamans, Warlocks,Warriors and Druids have also managed to single-handedly defeat bosses. In Cataclysm, new abilities and equipment allows players to become several times as powerful as in WOTLK. This allows classes that were previously not able to solo Molten Core, such as Rogues, to do. Indeed, while unconfirmed, it is likely that all players with Cataclysm-quality items and abilities (beyond level 80) are able to solo Molten Core with little difficulty.


Some of Ragnaros' minor minions waiting to welcome you into the Molten Core.

While technically there are no prerequisites to enter Molten Core through its entrance at the bottom of Blackrock Depths, every Core raider will want to complete the Attunement to the Core quest to enable the shortcut at the bottom of Blackrock Mountain. This quest is given at level 55 by Lothos Riftwaker who is located just outside The Quarry, on the way to Blackrock Depths. Once attuned you can access Molten Core by talking to Lothos again. When dead (as ghost) you also have the possibility to jump into the lava near Lothos. This can also be done by living players if they have a way to slow fall, or by jumping first onto the small ledge in the pillar on the right as you enter the main chamber of Blackrock Mountain, healing, then jumping down, back toward the wall of the lava pit, to cover the remaining distance to the platform below.

Before Ragnaros can be summoned, the raid must defeat Majordomo Executus. Majordomo Executus will only appear if the raid douses the seven runes that are located near certain bosses in the Molten Core.

Each of the bosses in Molten Core has a very specific loot table, which includes the Tier 1 armor pieces as well as a number of other epic-quality items.

As stated, the Molten Core includes several mechanics which forces players to fight the bosses in a specific order. These mechanics are:

  •  [Tome of Tranquilizing Shot] - this tome (now obsolete) was once necessary for defeating Magmadar. As such, Lucifron (who dropped the tome) had to be killed before Magmadar. Part of the reason was also that Lucifron is located before Magmadar.
  • The runes of warding - most bosses in Molten Core guard runes which must be deactivated in order to summon Majordomo Executus. This means that these bosses must be defeated before Executus becomes available.
  • It's possible to fight Baron Geddon without getting too close to Shazzrah, but it's tricky to fight Shazzrah without getting too close to Baron Geddon.
  • While it's possible to jump down to Golemagg the Incinerator's location from the ridge behind him, the fiery cracks on it and the fall damage will often kill players before they get to defeat him. When walking around, players often defeat Sulfuron Harbinger on the way.
  • Ragnaros is summoned by Majordomo Executus, who will only agree to do so when he is defeated. As such, Majordomo Executus must be defeated before Ragnaros.
  • The trash mobs in Molten Core provide Fiery Cores, Lava Cores, and Core Leather, which can be used with recipes earned at high levels of Thorium Brotherhood reputation to craft epic armor and weapons. It is generally the case that a raid progressing through Molten Core will use these Cores to craft Fire Resistance armor, which will allow the melee DPS of the raid to survive the final encounters with Majordomo Executus and Ragnaros.
  • These factors, in addition to the layout of Molten Core, usually causes players to kill the bosses in this order: Lucifron → Magmadar → Gehennas → Garr → Baron Geddon → Shazzrah → Sulfuron Harbinger → Golemagg the Incinerator → Majordomo Executus → Ragnaros.

Powerful players (level 70-80+) can fight the eight first bosses in any way they prefer. It's also possible to skip Lucifron.



  • Killing NPCs within Molten Core still rewards reputation with the now-removed members of the Hydraxian Waterlords.
  • Prior to patch 3.0.8 the Hydraxian Waterlords offered a quest chain, eventually rewarding  [Aqual Quintessence], which was at one point required to douse the Runes of the Firelord in order to summon Majordomo Executus and consequently, Ragnaros. Presently, defeating bosses will automatically douse their respective runes.
  • There were very few quests that involved the Molten Core. The only significant quest chain was the Hydraxian Waterlords chain, which was started by a visit to Duke Hydraxis off the coast of Azshara. Completing this quest chain required killing one of each of the trash mobs in the Core, and then defeating the four Flamewaker bosses in Molten Core (Lucifron, Gehennas, Shazzrah, and Sulfuron Harbinger). In addition, all the trash mobs and bosses in Molten Core provided Hydraxian Waterlord reputation. The final reward options for this quest chain were [Tidal Loop] or [Ocean's Breeze], both rare rings with high Fire Resistance.
  • As of patch 4.3.0 Molten Core can be accessed without being in a raid group by speaking with Lothos Riftwaker (requires attunement).

See also


Patch changes

  • Cataclysm Patch 4.3.0 (2011-11-29):
  • Cataclysm Patch 4.2.0 (2011-06-28):
  • WoW Icon 16x16.png Patch 1.7.0 (2005-09-22): Bind on Equip Bracers and Belts in Molten Core now drop more often.
  • WoW Icon 16x16.png Patch 1.6.0 (2005-07-12):
    • The loot tables in Molten Core have been revised slightly.
    • Characters that die and release in the Molten Core will now receive a minimap corpse marker and arrow that will lead them to the window next to Lothos Riftwaker in Blackrock Mountain.
  • WoW Icon 16x16.png Patch 1.5.0 (2005-06-07): Additional new raid items have been added to the treasure lists for bosses in Molten Core.
  • WoW Icon 16x16.png Patch 1.4.0 (2005-05-05):
    • Molten Core boss creatures have all received some new items on their loot tables.
    • Most of the non-class set items that dropped from Molten Core have had their effective levels increased, resulting in higher DPS weapons, and/or better stats and effects.
    • The loot tables for some of the Molten Core bosses have been improved so they drop an additional epic item per kill.
    • Prior to this patch, Molten Core boss creatures could drop items from one of two different tiered sets for every character class. The loot tables have been changed so Molten Core bosses will now only drop items from the lower tier class sets. However, some of the items from those sets were not previously dropping in Molten Core. These missing class set items will now drop in Molten Core, allowing players to complete their lower tier class sets.
  • WoW Icon 16x16.png Patch 1.3.0 (2005-03-07):
    • Players who have completed the Molten Core discovery quest can now port directly to the zone, bypassing Blackrock Depths.
    • Fixed an issue that was causing the first Firelord to stop moving.
    • Line of Sight checks removed from many creature abilities in Molten Core.
  • WoW Icon 16x16.png Patch 1.2.0 (2004-12-18): If you die in Molten Core, you will now be able to retrieve your corpse at the Blackrock Depths instance line.
  • WoW Icon 16x16.png Patch 1.1.0 (2004-11-07): Added.

External links