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Not to be confused with Progenitus.
BossPrimordius
Image of Primordius
Race Saurok (Aberration)
Level ?? Boss
Reaction Alliance Horde
Location Throne of Thunder
Status Killable
Throne of Thunder

Jin'rokh the Breaker
Horridon
Council of Elders
Tortos
Megaera
Ji-Kun
Durumu the Forgotten
Primordius
Dark Animus
Iron Qon
Twin Consorts
Lei Shen
Ra-den (Heroic only)

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Loot

Primordius is the eighth boss encounter in the Throne of Thunder. The fight is a relatively simple DPS race compared to the rest of the fights in the Throne of Thunder.

Background[]

Adventure Guide[]

Deep within the bowels of Lei Shen's island citadel, mogu flesh-shapers formed the saurok out of a magical substance of unknown origin. When the citadel was abandoned, some experiments languished in the dark pools for far too long...

Encounter Design[]

The fact that the mogu created the saurok (among other creatures native to Pandaria) is something that may not have been obvious to players who were exploring the continent and learning about its inhabitants. This encounter provided us with a chance to "show, not tell" this piece of Pandaria's history. The actual mechanics of the fight evolved from discussion and brainstorming around the themes of evolution and mutation; a few of us had also recently watched the movie Prometheus, and the vaults of black goo in that movie helped inspire the overall vibe of Primordius’ lair.[1]

Spells and abilities[]

  • Inv hand 1h bwdraid d 01 Primordial Strike Tank Alert — Primordius claws at his current target, inflicting 700,000 Physical damage to all players in a 7-yard cone.
  • Ability deathwing bloodcorruption earth Malformed Blood Tank Alert — The heavily-mutated blood within Primordius spreads to his current target, inflicting 10,000 Nature damage every 3 sec and causing the afflicted player's attacks to Congeal Blood, inflicting 20,000 additional Nature damage to Living Fluids and Viscous Horrors. This effect lasts 60 sec and stacks.
  • Achievement boss primordius Mutated Abomination Damage Dealer Alert — Primordius is heavily mutated and resists attacks from non-mutated creatures. Damage taken from non-Fully Mutated players is reduced by 35%.
  • Ability deathwing bloodcorruption death Evolution — When Primordius is mutated by enough Living Fluids and Mutagenic Pools, he evolves. Evolution increases all damage dealt by Primordius by 10% and grants him a new mutation. This effect stacks. Primordius can only have 3 mutations at any time. In Heroic Difficulty, Primordius can have 4 mutations.
    • Mutation: Ventral Sacs - Sacs located around Primordius's frill will periodically erupt, inflicting 20,000 Nature damage to all players every 1 sec.
    • Mutation: Gas Bladder - A volatile mutation that allows Primordius to spray Caustic Gas, inflicting 4,050,000 Nature damage split evenly between all players within a 18-yard cone.
    • Mutation: Acidic Spines - Primordius fires Acidic Spines every 5 sec, inflicting 150,000 Nature damage to all players within 5 yards of the targets.
    • Mutation: Pathogen Glands - Allows Primordius to spray a Volatile Pathogen at a player, inflicting 60,000 Nature damage to an enemy player every 1 sec and summoning a Living Fluid.
    • Mutation: Metabolic Boost - A hyperactive metabolism allows Primordius to use abilities more often and increases attack speed by 50%.
    • Mutation: Erupting Pustules - Pustules erupt every 5 sec, showering the area with corrosive blood that inflicts 300,000 Nature damage within 3 yards of the impact.
  • Living Fluid - Living fluid seeps from the pools surrounding Primordius's lair and slowly make their way to Primordius.
    • Ability deathwing bloodcorruption death Mutate Primordius — If a Living Fluid reaches Primordius, it is absorbed, increasing Primordius's current mutation level.
    • Ability deathwing bloodcorruption earth Mutagenic Pool — When a Living Fluid dies, it leaves behind a Mutagenic Pool that can mutate Primordius or players.
      • Ability deathwing bloodcorruption death Mutate Primordius — When Primordius steps on a Mutagenic Pool, it is absorbed, increasing Primordius's current mutation level.
      • Mutate Player Magic Effect — When player steps on a Mutagenic Pool, it is absorbed, inflicting 200,000 Nature damage and causing a mutation. Each helpful mutation received by a player increases the chance that the next mutation will be harmful by 10%. If a mutated player is dispelled, all mutations are removed.
        • Helpful Mutation: Thick Bones - The player's bones become thick and powerful, increasing all stats by 10%. This effect can stack up to 10 times.
        • Harmful Mutation: Fragile Bones - The player's bones become thin and brittle, reducing all stats by 10%. This effect can stack up to 10 times.
        • Helpful Mutation: Clear Mind - The player's mind becomes clear and focused, increasing Mastery by 10%. This effect can stack up to 10 times.
        • Harmful Mutation: Clouded Mind - The player's mind becomes clouded and unfocused, reducing Mastery by 10%. This effect can stack up to 10 times.
        • Helpful Mutation: Improved Synapses - The player's neural synapses fire more quickly, increasing Haste by 10%. This effect can stack up to 10 times.
        • Harmful Mutation: Dulled Synapses - The player's neural synapses fire more slowly, reducing Haste by 10%. This effect can stack up to 10 times.
        • Helpful Mutation: Keen Eyesight - The player's eyesight becomes exceptionally keen, increasing Critical Strike chance by 10%. This effect can stack up to 10 times.
        • Harmful Mutation: Impaired Eyesight - The player's eyesight becomes exceptionally poor, reducing Critical Strike chance by 10%. This effect can stack up to 10 times.
    • Achievement boss primordius Volatile Pool Magic Effect — When a Living Fluid dies, it will rarely leave behind a Volatile Pool that can mutate Primordius or Players.
      • Mutate Primordius (Volatile) — When Primordius steps on a Volatile Pool, it is absorbed, increasing Primordius' current mutation level to its maximum and healing Primordius for 10% of his maximum health.
      • Mutate Player (Volatile) — When a player steps on a Volatile Pool, it inflicts 92500 to 107500 Nature damage and causes a harmful mutation every 1 sec. If a mutated player is dispelled, all mutations are removed.
  • Viscous Horror Heroic Difficulty — A heavily-mutated creature made of the same fluid that spawned Primordius.
    • Spell yorsahj bloodboil black Black Blood Tank Alert Heroic Difficulty — The Viscous Horror spreads its mutated blood to its current target, inflicting 20,000 Nature damage every 3 sec and causing the afflicted player's attacks to coat the enemy in Black Blood, inflicting 20,000 additional Nature damage to Primordius. This effect lasts 60 sec and stacks.
    • Inv misc slime 02 Deadly Mutagen Heroic Difficulty Deadly — If a Viscous Horror gets close to Primordius, the mixture of mutative energies will cause it to explode, inflicting 999,998 Nature damage to all players.

Strategy[]

Primordius is a single-phase encounter that requires 2 tanks with mechanics that randomly begin and end due to Primordius evolving different abilities. Tanks should kite Primordius around the arena, being careful to keep him faced away from the raid due to his powerful Primordial Strike cone attack. Kiting him prevents the slow moving Volatile Pools (purple) from reaching him. If they do, the pools heal Primordius for 10% of his max HP. Tanks should alternate to keep stacks of Malformed Blood from getting too high.

The fight has a hard enrage timer of eight minutes. The key to beating the enrage timer is the DPS managing the Living Fluid buffs and debuffs. Primordius is shielded by Mutated Abomination which reduces all damage by 35% for the duration of the fight, meaning members must be fully evolved to deal full damage. During the battle, Living Fluids will spawn from the pools at the edges of the arena and attempt to move a walk-speed towards Primordius. They cannot be slowed or stunned. When killed, they will drop one of two colored fluids: small and red, or large and purple. The red pools will provide whoever steps in them with a beneficial mutation, while the purple pools will damage players and give a detrimental mutation. Once the players receive 5 beneficial mutations, they will receive Fully Evolved, turning into a saurok and dealing full damage to Primordius. However, DPS must be mindful that once fully evolved, any mutagenic pools they step in will give them a detrimental mutation, so avoid them and attack Primordius. Once most of the DPS are Fully Evolved, cooldowns like Spell nature bloodlust [Bloodlust] should be used. Dispelling players is not advisable since it removes both positive AND negative mutations. Overall, DPS should go through 3 cycles of Fully Mutated to kill the boss and beat the enrage.

Loot[]

Primordius
Item Type Description
Inv mace 1h thunderisleraid d 02 [Acid-Spine Bonemace] (LFR · TF · H · H TF) One-hand mace Tank
Inv jewelry ring 177 [Band of the Scaled Tyrant] (LFR · TF · H · H TF) Ring Strength
Inv pants plate deathknight m 01 [Black Blood Legplates] (LFR · TF · H · H TF) Plate leggings Tank
Inv bracer plate raidpaladin m 01 [Bonemender Bracers] (LFR · TF · H · H TF) Plate bracers Spirit
Inv bracer cloth raidwarlock m 01 [Bracers of Fragile Bone] (LFR · TF · H · H TF) Cloth bracers Caster
Inv bracer mail raidhunter m 01 [Bracers of Mutagenic Fervor] (LFR · TF · H · H TF) Mail bracers Agility
Inv helm mail raidshaman m 01 [Clear-Mind Helm] (LFR · TF · H · H TF) Mail helm Caster
Inv glove leather raidmonk m 01 [Gloves of Cushioned Air] (LFR · TF · H · H TF) Leather gloves Agility
Inv shield thunderisleraid d 01 [Greatshield of the Gloaming] (LFR · TF · H · H TF) Shield Tank
Inv cloth raidpriest m 01glove [Helix-Breaker Gloves] (LFR · TF · H · H TF) Cloth gloves Spirit
Inv cape pandaria d 04 [Hydra-Scale Bloodcloak] (LFR · TF · H · H TF) Cloak Strength DPS
Inv cloth raidpriest m 01pant [Leggings of Ebon Veins] (LFR · TF · H · H TF) Cloth leggings Spirit
Inv leather raiddruid m 01pant [Leggings of the Malformed Sapling] (LFR · TF · H · H TF) Leather leggings Spirit
Inv shoulder plate deathknight m 01 [Metabolically Boosted Shoulderplates] (LFR · TF · H · H TF) Plate shoulders Tank
Inv gloves plate deathknight m 01 [Pathogenic Gauntlets] (LFR · TF · H · H TF) Plate gloves Strength
Ability warrior rampage [Primordius' Talisman of Rage] (LFR · TF · H · H TF) Trinket Strength DPS
Inv robe cloth raidwarlock m 01 [Robes of Mutagenic Blood] (LFR · TF · H · H TF) Cloth chest Caster
Inv shoulder plate raidpaladin m 01 [Spaulders of Primordial Growth] (LFR · TF · H · H TF) Plate shoulders Spirit
Spell fire twilightfireward [Stolen Relic of Zuldazar] (LFR · TF · H · H TF) Trinket Healer
Inv glove mail raidhunter m 01 [Synapse-String Handguards] (LFR · TF · H · H TF) Mail gloves Agility
Ability warrior bloodfrenzy [Talisman of Bloodlust] (LFR · TF · H · H TF) Trinket Agility
Ability deathwing bloodcorruption death [Dark Quivering Blob] Companion
Ability deathwing bloodcorruption earth [Quivering Blob] Companion
Shared boss loot
Item Type Description
Inv shoulder mail raidshaman m 01 [Abandoned Spaulders of Arrowflight] (LFR · TF · H · H TF) Mail shoulders Agility
Inv shoulder mail raidshaman m 01 [Abandoned Spaulders of Renewal] (LFR · TF · H · H TF) Mail shoulders Caster
Inv polearm 2h mogu c 01 [Bo-Ris, Horror in the Night] (LFR · TF · H · H TF) Polearm Strength
Inv staff 2h zandalari c 01 [Darkwood Spiritstaff] (LFR · TF · H · H TF) Staff Agility
Inv sword 1h mogu c 01 [Do-tharak, the Swordbreaker] (LFR · TF · H · H TF) One-hand sword Strength
Inv shoulder leather raidmonk m 01 [Forgotten Mantle of the Moon] (LFR · TF · H · H TF) Leather shoulders Agility
Inv shoulder leather raidmonk m 01 [Forgotten Mantle of the Sun] (LFR · TF · H · H TF) Leather shoulders Caster
Inv knife 1h thunderisleraid d 03 [Fyn's Flickering Dagger] (LFR · TF · H · H TF) Dagger Agility
Inv sword 2h mogu c 01 [Greatsword of Frozen Hells] (LFR · TF · H · H TF) Two-hand sword Strength
Inv mace 2h thunderisleraid d 02 [Invocation of the Dawn] (LFR · TF · H · H TF) Two-hand mace Caster
Inv mace 1h zandalari c 01 [Jerthud, Graceful Hand of the Savior] (LFR · TF · H · H TF) One-hand mace Spirit
Inv shoulder cloth raidmage m 01 [Lost Shoulders of Fire] (LFR · TF · H · H TF) Cloth shoulders Caster DPS
Inv shoulder cloth raidwarlock m 01 [Lost Shoulders of Fluidity] (LFR · TF · H · H TF) Cloth shoulders Caster
Inv cloth raidpriest m 01shoulder [Lost Shoulders of Healing] (LFR · TF · H · H TF) Cloth shoulders Spirit
Inv bow 1h zandalari c 01 [Miracoran, the Vehement Chord] (LFR · TF · H · H TF) Bow Agility
Inv knife 1h pvppandarias2 c 02 [Nadagast's Exsanguinator] (LFR · TF · H · H TF) Dagger Caster DPS
Inv shoulder plate deathknight m 01 [Reconstructed Bloody Shoulderplates] (LFR · TF · H · H TF) Plate shoulders Tank
Inv shoulder plate raidwarrior m 01 [Reconstructed Furious Shoulderplates] (LFR · TF · H · H TF) Plate shoulders Strength
Inv shoulder plate raidpaladin m 01 [Reconstructed Holy Shoulderplates] (LFR · TF · H · H TF) Plate shoulders Caster
Inv hand 1h thunderisleraid d 03 [Tia-Tia, the Scything Star] (LFR · TF · H · H TF) Fist weapon Agility
Inv shield zandalari c 02 [Visage of the Doomed] (LFR · TF · H · H TF) Shield Tank
Inv mace 17 [Zeeg's Ancient Kegsmasher] (LFR · TF · H · H TF) One-hand mace Agility

Related Achievements[]

Quotes[]

Intro
So cold, so dark...
We will not be forgotten, no, no, no...
We are the perfect one, yes, yes, not a failure, no, no, not a failure...
What is this? What do they want? To punish us? No, no...
Aggro
Your flesh, yes yes, so perfect, GIVE IT TO US!
Evolution
  • No, no, no! The pain returns!
  • It tears at us from the inside!
Killing a player
Who is perfect now? Yes, yes...
Death
Again... we are torn apart... Again... to the cold darkness...

Videos[]

10 man heroic[]

Guides[]

25-man Normal[]

Trivia[]

  • Ventral Sacs, Pathogen Glands, and Metabolic Boost are all Zerg upgrades in StarCraft 2.
  • Primordius is voiced by Grant George.
  • Veskan the Fallen uses the same model as him.

Patch changes[]

  • Mists of Pandaria Hotfix (2013-04-16):
    • Fixed an issue that could cause Fully Mutated players to deal excessive damage to Living Fluids or Viscous Horrors that are under the effects of a Warlock's Immolate.
    • Reduced the health of Primordius by 11% in 10-player and 25-player Heroic difficulty.
    • Reduced the health of Viscous Horrors by 15% in 10-player and 25-player Heroic difficulty.
  • Mists of Pandaria Hotfix (2013-04-10): Reduced the health of Primordius slightly in 10-player and 25-player Heroic difficulty.
  • Mists of Pandaria Hotfix (2013-04-09): Mutated Abomination effect once again reduces his damage taken from non-Fully Mutated players by 75% on 10-player and 25-player Heroic difficulty only.
  • Mists of Pandaria Hotfix (2013-04-08): During the Primordius encounter, spells which dispel a single harmful effect (Sear Magic, Singe Magic, or Mass Dispel) will no longer work if any of the positive effects are active on the target (Improved Synapses, Keen Eyesight, Thick Bones, Clear Mind, or Fully Mutated).
  • Mists of Pandaria Patch 5.2.0 (2013-03-05): Added.

References[]

External links[]

Guides
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