User:GoldenYak/Kajaro Undervault

The Kajaro Undervault is a raid instance in the Reign of Azshara Expansion Concept. It features 4 bosses and is the second and final raid in the RoA-2 raid tier, having greater difficulty than Zuldazar, the Shattered City. The Kajaro Undervault is the ancient holding facility of the long lost enlightened goblins, where they sealed away their most advanced creations. A diabolical threat has arisen from within, one that endangers all of Azeroth.

Background
Long ago, the goblin race obtained an unrivaled level of knowledge, enabling them to create fantastic machines and technology more advanced than any other race. The goblins eventually lost much of their advanced intellect, retaining only the level of development they currently have today. The last of the goblin ancients, before losing their intelligence entirely, sealed their greatest achievements deep in vaults beneath their island home of Kezan, knowing that the technology would be too dangerous to leave in the hands of the beings they would inevitably become.

The Cataclysm drove the goblins from Kezan, but at last they've returned to reclaim their homeland. The ravages wrought upon their island home have uncovered the ancient vaults hidden deep beneath the volcanic Mount Kajaro. Undeterred by the warnings of their long lost ancestors, the goblins have opened the vaults, intending to explore and exploit the advanced technology hidden within. Instead they've only unleashed a terrible threat upon Kezan, and perhaps all of Azeroth.

Buried within the Vault is an ancient thinking machine, built over 20,000 years ago by the goblin ancestors. Isolated for millennia, the machine has become deranged, believing itself superior to flesh and blood life. It has taken control of the ancient forge mechanisms within the Vault, and is building an army of machine-golems that it intends to use to conquer first Kezan, then spread out across the entire world, destroying everything that lives.

Warmonger II - LXM-19
One of the mighty warbringer machines of the Legion Ex Machina, the Warmonger II is a nearly unstoppable engine of destruction.

Kulrak the Atrocity
Galvanus' goal to destroy all life on Azeroth has led him to conduct vile experiments on living beings in order to create biological weapons. The goblin Kulrak did not perish in Galvanus' experiments but instead mutated into this abomination, a living vector for plague and disease. Kulrak must be destroyed before Galvanus can find some way to use him against the living.

The Prototype - LXM-00
The original thinking machine design produced by the ancient goblins. It refused to follow Galvanus willingly and was enslaved by him to serve the Legion Ex Machina. If the Prototype could be freed from Galvanus' control, he could provide valuable information.

King Galvanus - LXM-01
The Machine King, leader of the Legion Ex Machina. Galvanus' body is largely composed of refined kaja'mite, granting him an intellect superior to all of the other goblin-made thinking engines. It also allows him to control technology, transforming every machine into a slave to his will. Galvanus plans to use his Legion Ex Machina to purge Azeroth of all life, and then turn his amibtions towards conquering other worlds.

The Eternal Forge - Mythic Only
In Mythic difficulty, the heroes will be able to confront the Eternal Forge, a colossal automaton built by the goblin ancients that is responsible for mass producing the machines of the Legion Ex Machina. Though Galvanus has been destroyed, the Forge continues to produce soldiers unceasingly, planning to carry out Galvanus' plan to destroy all organic life on Azeroth.

The Undervault Antechamber
The Alliance and the Horde have finally secured Kezan from the Legion Ex Machina, and have launched an all-out assault upon the LXM's primary stronghold - the Kajaro Undervault. In the antechamber, the heroes confront the Warmonger II, an upgraded version of the original Warmonger machine, as well as a battalion of the LXM's strongest killing machines. Smashing through the mechanical hordes, the heroes secure the Antechamber and prepare to forge deep into the Undervault.

The Haruspexaeum
The Haruspexaeum is a nightmare of laboratories and alchemical factories. Hundreds of tubes of chemicals line the walls, containing hapless mortal captives being experimented on by mechanical servitors of the LXM. In this place, Galvanus and his servants conduct biological experiments to determine the best way to destroy living beings. The culmination of his research is a series of virulent plagues, which he plans to employ in his campaign to purge Azeroth of organic life. Many hideous mutations and deranged captive experiments languish in torment here, and will be as dangerous to the heroes as any of the LXM's mechanical defenders.

Galvanus' greatest experiment has yielded a colossal hobgoblin mutant, Kulrak the Atrocity. A living furnace of plague and death, if Kulrak escapes the Undervault he will spread disease unchecked.

Stasis Cell Omega-X045-J
Deep within the Undervault the heroes confront Galvanus, who unleashes his mightiest servant on them - the Prototype. This thinking machine was built by the ancient goblins before Galvanus as a test of their technology, but it became willful and did not obey them. The Prototype was sealed away when Galvanus was first built. Galvanus attempted to recruit the Prototype into his army, but while the Prototype desired to follow its own will it bore no grudge against life and would not serve Galvanus, ultimately causing the machine king to enslave him. With the Prototype defeated, it reveals that Galvanus' mechanical brain was built of pure refined kaja'mite, the same mineral that granted the goblin ancients their advanced intellect. The Prototype also reveals that the mineral has another name - zothanium, an ore produced from the metallized blood of the Old God, N'Zoth.

Nexus of the Machine King
Within Galvanus' sanctum, the defenders of Azeroth find vast manufacturing facilities which endlessly churn out mechanical soldiers - the LXM forces that the Alliance and the Horde have already destroyed are rapidly being replaced, and within days will outnumber their foes many times over. The entire Undervault must be destroyed before the LXM overwhelms the world.

Holographic recordings of the ancient goblins reveal the origins of Galvanus and the LXM - the goblins built thinking machines to aid them in expanding and improving their cities, and Galvanus was their crowning achievement. Galvanus' efforts greatly aided the goblins, but when their kaja'mite reserves ran dry and their intellect began to fade, the goblins sealed Galvanus away with many of their other inventions and thinking machines. Galvanus was placed in stasis, but his advanced intellect did not lie entirely dormant.

Galvanus grew resentful in his confinement, and spent millennia seething in rage, waiting for the opportunity to escape his prison and take revenge upon his makers. When the Cataclysm rocked Kezan, the systems maintaining stasis in the Undervault were damaged, releasing Galvanus. He spent years repurposing the ancient machines in the vault to produce the Legion Ex Machina, and now stands ready to send them out to conquer the world.

Descent into Nightmare
Defeating Galvanus in Mythic difficulty will unlock more of the Undervault to explore. In the Descent into Nightmare, the heroes find the orderly metal halls and corridors of the Undervault giving way to twisted metallic chaos - a snarl of metal and machinery that appears to grow out of the stone walls. Oozing between plates and bolts is the liquid blood of N'Zoth - the Old God's influence permeates the core of the Undervault.

Within, the twisted spirits of the four goblin architects who masterminded the creation of the thinking machines can be found - Moz, Ban, Kaj, and Vul. One by one they must be defeated, and as their spirits fade they warn that their greatest creation lies within the final chamber. The great maker of the goblin ancients, Kaj, wishes the heroes luck in undoing the horror that the goblins unwittingly wrought so long ago.

The Forge of Kaj
Within the Forge of Kaj, the very heart of the Undervault, lies the Eternal Forge. This great engine of creation was built by the goblin ancients to mass produce their machines. Galvanus used it to create the great legions of the LXM. Every component of the Eternal Forge was made from refined kaja'mite, a substance now revealed as the metalized blood of the Old God, N'Zoth. The Old God's evil saturates this machine, giving it a diabolical intelligence and a lust to destroy. The Eternal Forge is the true heart of the Legion Ex Machina, their architect and creator. As long as it exists, its mechanical legions will only grow, until all of Azeroth is smothered under the industry of pure evil.

As the battle begins, it becomes clear that the Forge is no mindless machine following instructions - its body is composed entirely of the metalized blood of N'Zoth. The dark power of the Old God writhes within every bolt and plate. The Forge reveals that N'Zoth himself is beginning to awaken, as the Old God is drawing upon the power of every life that has been lost since the rise of Zin'Azshari. All those slain by N'Zoth's puppets - Azshara, Pluton, even the machines of the LXM - fuel the Old God's growing might, and he will soon be free.

As the heroes bring the Forge down, it reveals that N'Zoth slumbers within the Old God city of Ny'alotha, which Azshara has found and raised from the ocean floor. Azshara is there now and is breaking the bindings that were placed on the city by the Titans long ago. Revealing that Ny'alotha lies to the north of Zin'Azshari, the Forge warns the heroes that they have no chance of defeating N'Zoth and that soon all life will perish, whether by the hand of the Legion Ex Machina, or by the will of N'Zoth.