Tank Guide Tuesday: Primordius

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….


If you haven’t seen the encounter before you can check out the Fatboss guide here or the Tankspot guide here.



The Talents that I recommend for this encounter are;

Tier 1 – Whichever talent you want, I use Tiger’s Lust, but you can use 1 of the other 2.

Tier 2 – Again it’s up to you, choose which you like the best, although Zen Sphere can be useful

Tier 3 – I use Ascension for this fight.

Tier 4 –The adds in this fight can’t be stunned or silenced so take your pick here.

Tier 5 – You can use either Dampen Harm or Diffuse Magic for this fight.

Tier 6 – I use Rushing Jade Wind for this fight as I find it more useful.



Glyph of Enduring Healing

Glyph of Fortifying Brew

Glyph of Zen Meditation


The Fight

The Primordius encounter is a single phase fight that lasts until either the boss is dead or you are. To try and simplify the fight I will break it down into 2 sections; the first being Primordius and the second being the Living Fluid adds.



Primordius starts with 2 abilities, both of which are aimed at the tanks. The first is called Primordial Strike, which inflicts a large amount of physical damage to all players in a 7 yard cone in front of him and the second is Malformed Blood which inflicts Nature damage every 3 seconds for 1 minute and stacks. It is because of Malformed Blood that you need to bring 2 tanks, you should try and tank swap at around 5-7 stacks of this debuff.


As the fight progresses Primordius will become mutated, which increases the damage dealt by 5%. Primordius will gain a new ability with every mutation and can have up to three of them at a time. On the fourth mutation Primordius will replace the first mutation that was gained with the newest one. The different mutations that Primordius can gain are;

Ventral Sacs – Ventral Sacs inflict Nature damage to all players every second.

Gas Bladder – Gas Bladder deals a large amount of Nature damage that is shared between all players within 25 yards of Primordius.

Acidic Spines – Acidic Spines are fired at players every 3 seconds, inflicting Nature damage to all players with 5 yards of the target.

Pathogen Glands – Primordius targets a player with a Volatile Pathogen which inflicts a large amount of Nature damage every second for 10 seconds.

Metabolic Boost – Increases Primordius’ attack speed by 50% and increases the frequency of the other abilities used.

Erupting Pustules – Erupt every 10 seconds dealing Nature damage to all players within 2.5 yards of the impact site.

A large portion of the difficulty of this fight is dealing with these abilities and the different combination of these abilities that can happen. Your raid should try and stay spread out 5 yards so that Acidic Spines doesn’t hit more than 1 player. Make sure that you can easily move within range of Gas Bladder as well, so it doesn’t kill anyone.


Living Fluid

Living Fluid spawns in each of the pools around the room and slowly moves towards Primordius. When they reach Primordius they will increase Primordius’ current level of mutation. When a Living Fluid dies it will leave behind either a Mutagenic Pool or a Volatile Pool. Volatile Pools are large purple pools and Mutagenic Pools are smaller red pools. Each Mutagenic Pool that a player steps on will deal Nature damage to them and give them a Helpful Mutation. Once you gain 5 Helpful Mutations you will gain the Fully Mutated buff allowing you to deal full damage to Primordius. The 4 Helpful Mutations that you can gain are;

Thick Bones – The player’s bones become thick and powerful, increasing all stats by 5%.

Clear Mind – The player’s mind becomes clear and focused, increasing Mastery by 10%.

Improved Synapses – The player’s neural synapses fire more quickly, increasing Haste by 10%.

Keen Eyesight – The player’s eyesight becomes exceptionally keen, increasing Critical Strike chance by 10%.


However, if you step on a Volatile Pool or step on a Mutagenic Pool with 5 stacks of mutation on you, you will gain a Harmful Mutation. You can remove the Harmful Mutations with a dispel, but by doing this it will also remove the Helpful Mutations. The Harmful Mutations that you can gain are;

Fragile Bones – The player’s bones become thin and brittle, reducing all stats by 10%.

Clouded Mind – The player’s mind becomes clouded and unfocused, reducing Mastery by 20%.

Dulled Synapses – The player’s neural synapses fire more slowly, reducing Haste by 20%.

Impaired Eyesight – The player’s eyesight becomes exceptionally poor, reducing Critical Strike chance by 20%.


If a Volatile Pool reaches Primordius it will increase Primordius’ current level on mutation and will heal Primordius for 10% of his maximum health.



To deal with all this you will need to kite Primordius around the room in a circle once some of the Volatile Pools start getting close to him. All of your players, except the tank currently tanking Primordius should kill the Living Fluids spawning in the pools around the room to gain Helpful Mutations. Once players gain 5 Helpful Mutations they can start attacking Primordius. While healers don’t benefit from the ability to deal full damage to Primordius they do gain the benefit of the increases stats, so some DPS should kill some Living Fluids for them. Once your Fully Mutated buff wears off you should start killing more Living Fluids to start building your Helpful Mutations again.


Brewmaster Tips

The tips that I have for this fight are;

  1. By having your off tank taunting off you at 2 stacks to start the fight you will do increased damage to the Living Fluids due to your stacks of Malformed Blood.
  2. When you use Diffuse Magic you will clear all Helpful and Harmful Mutations, so be careful when you use it.
  3. Try and save your tanking cooldowns for when Primordius is affected by Metabolic Boost.

So that’s it from me today everyone, I hope that you have learned something from reading these. Do you have any tips for these fights as a Tank? Let me know through comments below this post. If you have any feedback I would love to hear it.


As always if you have any questions, suggestions or comment you can reply here, you can contact me on Twitter at @matthews9292 or you can email me at monkdownunder@gmail.com


~ by matthewsmonk on August 28, 2013.

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