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This article is about the lore of the Nexus. For the instanced dungeon, see Nexus (instance).
NeutralThe Nexus
Chronicle3 Nexus.jpg
Leader(s) IconSmall Kalecgos.gif Kalecgos
  Formerly  Nexus-Prince Bilaal †
IconSmall Malygos.gif Malygos †
Race(s) Blue dragon Blue dragon
Affiliation(s) Blue dragonflight
  Formerly Ethereum
Location Coldarra, Borean Tundra
Status Active

The Nexus is the ancient fortress of the blue dragonflight, found in the center of Coldarra in the Borean Tundra in Northrend. With a network of ice caves underneath, comprising its base, there are rings of floating land stacked upward in a great column over the island, rotating about a massive beam of pure arcane energy. That beam shot into the Twisting Nether and opened rips in reality itself.[1][2]

The Nexus is where Malygos and his dragonflight gathered all that arcane energy during the Nexus War. After Malygos's death, the Nexus stayed standing, though the blue dragonflight was scattered.[1]


The Nexus in World of Warcraft.

The blue Dragon Aspect, Malygos, was charged ages ago by the titans as the guardian of magic. During the War of the Ancients, he watched in horror as Deathwing all but wiped out the blue flight[3] before scattering the remaining dragons away.[4] Already knowing what would happen next, Krasus infiltrated Malygos' lair in order to safeguard some of the now-abandoned blue eggs, fighting the magical constructs protecting the caverns.[5] Malygos soon came back, and, maddened by grief, withdrew deep into the Nexus. He would pay little heed to the rest of the world for millennia thereafter.[3]

Approximately four thousand years later, a group of Shandaral Highborne sorcerers infiltrated the Nexus in order to learn their secrets about magic. The Highborne succeeded in learning the dragons' techniques, but their greed drove them to steal powerful artifacts as well. The theft triggered the Nexus's magical wards, sending the few surviving blue dragons into a frenzy. The Highborne thieves managed to escape, but the dragons took their retribution on Shandaral.[6]


At some point, while manipulating the fabric of reality, the blue dragons tapped into another realm of existence and made contact with a strange arcane entity called Aluneth. They were so intrigued by Aluneth's existence that they summoned the entity into Azeroth for further study. Aluneth immediately went on a rampage through the Nexu, destroying countless rare artifacts and tomes of power before finally being contained. Rather than becoming angry about the destruction, they were delighted by Aluneth's capricious nature. After years of conducting harmless experiments on Aluneth, the blue dragons had satisfied their curiosity and sent the entity back to its own realm. Many years later Aluneth would became bound within the greatstaff of the Guardian of Tirisfal. Following the death of Medivh, Aegwynn gave the staff to the Kirin Tor, who stored it in the Nexus Vault.[7]

After the Second War

After the Second War, Korialstrasz of the red dragonflight visited Malygos' sanctum. There he saw frozen corpses of ice trolls, wendigos, orcs, an elf, and even naga that had been left there by the Dragon Aspect.[8] Korialstrasz finally convinced Malygos to emerge from his lair by telling him that it finally seemed possible to avenge Deathwing's terrible crime.[3] Though the Demon Soul was destroyed, Deathwing survived,[9] and Malygos returned to his long solitude.

The Nexus War

The Nexus in Journey Trailer.

After the reopening of the Dark Portal, the blue dragon Tyrygosa brought Zzeraku and other nether dragons to the Nexus in order for them to recuperate through its energies. However, the Nexus' power was so great that they decided to claim the Nexus for themselves. They started to drain all its energy, declaring that they would never be enslaved to the orcs or anyone again. Arygos and the blue dragons intervened to defend the Nexus, but it was Malygos who, awakening from his seclusion, destroyed the nether dragons and absorbed back their energies. In doing so, his eyes were fully opened to the state of the world once more.[10]

Having finally returned fully to his senses, Malygos quickly assessed the state of magical affairs in Azeroth and reached the grim conclusion that magic was running amok throughout the world. He blamed this dangerous development on the mortal races and their reckless pursuit of magical power. Determined to forestall a catastrophe, Malygos decreed that the world's unbridled magic must be reined in by any means necessary. He turned to the Arcanomicon, a map of the world's ley lines gifted to him ages ago by the titan Norgannon that had been continuously updated and revised by the blue dragonflight.

Malygos used the Arcanomicon to locate and tap into the ley lines, diverting the magical powers that course beneath the earth to the Nexus. There, the energies were focused through the Nexus' ascending rings and blasted into the Twisting Nether. Malygos's redirection of the ley lines carried disastrous consequences, however, splintering the world's crust and opening unstable rifts: tears in the very fabric of reality. Directing so much of Azeroth's arcane energy through the Nexus also affected the structure itself: a massive dimensional rift was torn open within the caverns, spawning arcane anomalies into its halls and transforming the Singing Gardens and its guardians into crystalline beings.

Malygos' siphoning of the world's magic did not go unnoticed by the mortal races. The Kirin Tor used their waning powers to transfer the entire city of Dalaran to float above Northrend. Furious at what he perceived to be the mortals' willful disregard for the future of the world, Malygos declared war upon them, beginning the conflict known as the Nexus War. However, not all of the Kirin Tor stood united. Several members instead opted to side with the blue dragonflight in the hopes of retaining power. Transformed and bolstered by Malygos, these mage hunters were tasked with rooting out and, if necessary, destroying magical artifacts; killing or imprisoning individuals who practice magic without Malygos' permission; and aiding in the redirection of ley lines using massive constructs called surge needles. Many of them were invited into the Nexus itself to continue their work and guard it against intrusion.[3]

The Nexus entrance in Journey Trailer.

The blue dragonflight's increasingly militaristic methods were also condemned by the red dragonflight. Charged with the preservation of life, they vowed to neutralize Malygos and formed a council with the Kirin Tor to subvert Malygos's devastating campaign. During the course of the war, Malygos imprisoned the red dragon Keristrasza within the Nexus, intending to force her to become his new consort. The Kirin Tor and Red Dragonflight eventually laid siege to the Nexus, allowing the Horde and Alliance to breach its halls and defeat many of Malygos's strongest allies. In the end, adventurers entered the Eye of Eternity to battle Malygos himself. Though the Aspect unleashed his arcane might upon them, with aid of Alexstrasza they ultimately killed Malygos, ending the Nexus War but leaving the Blue Dragonflight bereft of leadership.


Cataclysm This section concerns content related to Cataclysm.

During the Cataclysm, Tarecgosa escorted an adventurer through the Nexus. It was patrolled by servants of Arygos. At the same time, twilight dragons led by Thyrinar attacked the interior.[1] The dragons were defeated, and a vision of Arygos' betrayal was shown.[11] Although they didn't initially consider it real, the twilight dragonflight later trapped Kalecgos just outside the Nexus, only for Tarecgosa to break their spell and die during the process.[12]

Thrall: Twilight of the Aspects

WoW-novel-logo-16x62.png This section concerns content related to the Warcraft novels, novellas, or short stories.

During the war against Deathwing, the Nexus was visited by Thrall. It was also the place where the blue dragons gathered for the Embrace to determine who among Arygos or Kalecgos shall be the next Blue Aspect. When Arygos was revealed to work with Deathwing's minions, alternate Blackmoore entered the Nexus, killed Arygos, and activated the Focusing Iris with his blood, harnessed the Nexus's arcane energy through surge needles and used the power to revive Chromatus.[13]

Tides of War

WoW-novel-logo-16x62.png This section concerns content related to the Warcraft novels, novellas, or short stories.

Deciding that the Focusing Iris needed to be placed somewhere safe, a squad of blue dragons tried to escort it from the Eye of Eternity to the depths of Azeroth's ocean. However, agents of the Horde killed the entire squad and stole the artifact. Kalecgos went out searching for it because of his former position as Aspect, but was unable to discover its location until the Focusing Iris was used to empower the mana bomb that destroyed Theramore.

Because of their diminished numbers, first from the War of the Ancients, then the Nexus War, and the Shattering, the blue dragonflight decided to go their separate ways. The few remaining blue dragons have scattered across the world, no longer affiliated with any organization.[14]

Dawn of the Aspects

WoW-novel-logo-16x62.png This section concerns content related to the Warcraft novels, novellas, or short stories.

After the official disbanding of the blue dragonflight, Kalec remained behind in the Nexus for some time, despite having officially joined the Kirin Tor. To protect the Nexus, magical wards powered by ley lines have been placed around the structure. They allowed entry only to blue dragons. When Kalec found a lost artifact that had belonged to Tyr at Galakrond's Rest, Kalec brought it back to the Nexus and witnessed painful visions of the Aspects' prehistoric battle with Galakrond, spending some time in his sanctum that was a gigantic cavern. Occasionally, other blue dragons besides Kalecgos would come to check up on the Nexus, including Jaracgos.[15]

As Jaina Proudmoore was worried about Kalec, she teleported to the Nexus and discovered an ancient artifact and realized that its magic has something to do with titans. Kalec sensed someone so she teleported to the entrance to have Kalec think that she just arrived. After assuring that everything was all right, she teleported back to Dalaran. This prompted Kalec to strengthen the weak wards so that no one could enter the Nexus. During the process, he noticed that the artifact linked itself to each of the wards.[16]

Jaina later returned here with newfound knowledge and noticed the wards' power. She was able to use her knowledge on them to counter the magic. As she did that, the Nexus erupted in an explosion of white and lavender energy, and shook the structure. After a while, the magical resistance subsided, the wards and the Nexus returning to their original states, and Jaina was able to once again teleport inside and eventually free Kalec from the artifact. After Kalec reminded Aspects of who they were and transported Jaina to Dalaran, he returned to the Nexus to ascertain whether there were any lingering aftereffects from the artifact's presence.[17]


Legion This section concerns content related to Legion.

For a long time, Kalec has not returned to the Nexus. During the third invasion of the Burning Legion, he sent a priest adventurer there in search of  [Light's Wrath], a dangerous item created by the Scarlet Crusade that the Kirin Tor had entrusted to the blue dragons some time before it was disbanded, and a mage adventurer in search of  [Aluneth], a powerful staff once wielded by Aegwynn. The Nexus has since become the home of ethereals of the Ethereum who seek the blue dragons' treasures. Azuregos, who was at the Nexus to retrieve those same treasures, helped the adventurers stop Nexus-Prince Bilaal. Afterward, Azuregos stayed behind to secure the Nexus so it will not fall into the wrong hands again and said to give his regards to Kalecgos.[18]

The Oculus section of the Nexus was later invaded by the Burning Legion before Belgaristrasz, with the help of the adventurer's followers, successfully fended them off.[19]

When Kathra'natir used the power of the Nexus, along with the  [Nightborne Soulstone], to drain Meryl Felstorm, the Tirisgarde attacked the Burning Legion and Kathra'natir at the Nexus. After the battle, they trapped him within the soulstone.[20]

Battle for Azeroth

Battle for Azeroth This section concerns content related to Battle for Azeroth.

During the Fourth War, a group of Kirin Tor mages arrived at the top of the Nexus and assisted Kalecgos with charging a Scale of the Blue Aspect.[21]


Dragonflight This section concerns content related to Dragonflight.

The Nexus remained in the care of Azuregos for the next five years. After the reawakening of the Dragon Isles, Kalecgos released the essence of Malygos and Sindragosa in the Veiled Ossuary, but it also awakened violent arcane memories, that appeared in the Nexus proper too. The area was defended by its keeper Azuregos, but soon Kalecogs, Sindragosa's simulacrum, and an adventurer arrived at Coldarra. Taking Azuregos's Staff, the adventurer fought off the memories at the entrances into the Nexus.[22] Azuregos then remained here to investigate the memories further,[23] but eventually left to aid his brethren at Theramore and ultimately the Azure Archives.

After the spirits of Malygos and Sintharia were put to rest, Azuregos resolved to study the Azure Vault, so Surigosa and Zeros offered to look after the Nexus.[24]


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Legion This section concerns content related to Legion.

In the RPG

The Nexus in Coldarra in Lands of Mystery.

Icon-RPG.png This section contains information from the Warcraft RPG which is considered non-canon.

Originally the Nexus was exclusively Malygos's lair, but has expanded considerably as other blue dragons choose to live near their leader and partake of his wisdom. The Nexus is an extensive series of caves and tunnels that riddles the island of Coldarra.

Every space has been carved and smoothed so that it seems more like a castle buried in ice than a natural formation. The walls are ice and crystal, and cast rainbows of light from small glowing gems set in strategic locations; most flat surfaces are carved to show dragons in various activities. The floors are solid stone, polished glass-smooth and, mirror-bright. No stairs exist — in many places, an archway opens onto a vast open chamber and the dragons simply fly across to another portal placed somewhere on the other side. The outermost chambers are dotted with lifelike ice statues — or so it seems. These statues are the remains of uninvited guests, transformed by dragon magic and placed here as a warning. The caves themselves are fascinating, and many have unusual magical properties. Some of the rooms may actually change.[25]


Patch changes

See also