Yogg-Saron Strategy Guide – Ulduar (25)

Ulduar Yogg Saron Raid Guide Featured Image
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Ulduar (25) Raid Guide

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Flame Leviathan

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The Iron Assembly

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Hodir

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Mimiron

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Algalon the Observer

Gear & Best In Slot (bis)

Ulduar (25) Loot

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Ignis the Furnace Master

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Kologarn

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Freya

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General Vezax

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Ulduar Achievement Guide

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Razorscale

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XT-002 Deconstructor

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Auriaya

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Thorim

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Yogg-Saron

The Old God of nightmares, Yogg-Saron lies at the very bottom of Ulduar. Plotting and scheming for untold years, the Fiend of a Thousand Faces gets closer every day to escape from its eternal prison. After centuries of corrupting Loken, Yogg-Saron has been able to influence many things throughout Azeroth, potentially even setting in motion the Cataclysm yet to come.

This guide will offer a detailed, step-by-step tutorial on how to overcome Yogg-Sarons endless whispers, and overcome the waking nightmare you find yourself in.

Role Summaries

Phase 1

  • Avoid the floating clouds
  • Make sure dark-volley is interrupted
  • Avoid killing adds away from Sara

Phase 2

  • Keep an eye on your sanity at all times
  • Stay at least 10 yards away from players feared by malady-of-the-mind
  • Players connected by brain-link will need to stay within 20 yards of each other
  • Avoid the death-rays swirling around the room
  • Don’t stare at the skulls, they’re shy
  • Make sure you escape the illusion within 60 seconds
  • Focus Constrictor Tentacles whenever a player is grabbed

Phase 3

  • Don’t look directly at Yogg-Saron during lunatic-gaze-yogg, you might fall in love

Phase 1

Phase 2

  • Run a circle around the illusion, briefly attacking everything on the way
  • Someone will need to interrupt diminish-power with a melee swing
  • Make sure you do not hit Crusher Tentacles except to interrupt diminish-power
  • Focus down Corruptor Tentacles if no one is grabbed by Constrictor Tentacles

Phase 3

  • DPS Immortal Guardians to remove stacks of empowered

Phase 1

Phase 2

  • Position yourself in the middle of the illusion, attacking any enemies you can see
  • Focus down Crusher Tentacles if no one is grabbed by Constrictor Tentacles

Phase 3

  • DPS Immortal Guardians to remove stacks of empowered

Phase 1

  • Always stay at least 15 yards away from adds to avoid shadow-nova
  • Pay attention to Sara, all 3 of her abilities will cause the target to need more healing

Phase 2

  • One healer may want to follow players into the illusion, but this will not be required for all raids
  • Make sure to dispel the various debuffs from Corruptor Tentacles

Phase 3

Phase 1

  • Make sure Guardians are killed underneath Sara

Phase 2

  • Pick up Tentacles whenever possible

Phase 3

  • Pull Immortal Guardians with shadow-beacon away from all other enemies

Phase 1

Phase 2

  • Call the target of malady-of-the-mind by name
    • Remind players to move away from them
  • Call brain-link targets
  • Call out when Portals are available
  • Call out when players are running out of time in the illusion
  • Call for DPS to focus on the Constrictor Tentacle whenever it grabs a player
  • Remind players to dispel debuffs from Corruptor Tentacles

Phase 3

Abilities

Keepers of Ulduar

Hodir

Having Hodir assist you during the fight will grant the entire raid 10% increased damage done and 20% reduced damage taken.

Roughly every 30 seconds Hodir is able to prevent a player’s death, making them immune to damage by freezing them.

Thorim

Having Thorim assist you during the fight will grant the entire raid 10% increased damage done and 20% increased health.

During Phase 3, Thorim will cast titanic-storm in the middle of the arena. This deals a moderate amount of damage to all enemies, but notably is the only way to kill Immortal Guardians fully.

Freya

Having Freya assist you during the fight will grant the entire raid 10% increased damage done and 20% increased healing done.

Freya will periodically spawn sanity-wells during the fight. These are green beams of light found at the edges of the arena. Standing in these restores your sanity rapidly, as well as reduces damage taken. This is the only way to restore lost sanity.

freya beam

Mimiron

Having Mimiron assist you during the fight will grant the entire raid 10% increased damage done and 20% increased movement speed.

During Phase 2, Mimiron will occasionally massively reduce the attack and cast speed of Crusher Tentacles and Corruptor Tentacles.

Phase 1

sara

Sara will occasionally cast this on a random raid member, buffing their damage done but drastically increasing damage taken for 15 seconds.

This is a great boon for DPS players, but anyone with this will need to be extra careful of stray AoE damage from the Guardians.

Sara heals a random raid member for a significant amount, followed by damaging them every second for 20 seconds. The final damage done is roughly double the healing given.

This can be very useful, and even became a healing spell for Priests in later expansions! Healers will need to keep an eye on whoever is affected by this.

Sara casts a damage-over-time debuff on a random Guardian, dealing heavy Shadow damage every 3 seconds for 12 seconds. While this is active, the Guardian will also deal significantly more Physical damage.

This can be very tricky to handle. The damage boost will absolutely warrant extra healing on whoever is currently tanking the buffed enemy. Unfortunately, the damage over time also has the potential to kill the Guardian out of position.

guardian-of-yogg-saron

This is the main ability for Guardians, after briefly channeling, they will deal high Shadow damage to the entire raid, and reduce all healing received by 25% for 10 seconds. This can and should be interrupted every time, even if there are multiple Guardians alive.

When a Guardian dies, it will deal heavy Shadow damage to everyone within 15 yards. This can hit other Guardians, and most importantly, this can hit Sara. This is the only way to deal damage to her during this Phase, allowing you to kill her and progress into Phase 2.

It is important for ranged players to always avoid taking damage from this, and for a lot of raids, melee DPS will also want to duck out of this.

Phase 2

sara-phase2

Starting in Phase 2, various spells and abilities will reduce your sanity, and the only way to restore it is if you have Freya assisting you. There are some unavoidable sources of sanity loss, but the majority of the mechanics are fully avoidable by players.

Starting in Phase 2, various spells and abilities will reduce your sanity, and the only way to restore it is if you have Freya assisting you. There are some unavoidable sources of sanity loss, but the majority of the mechanics are fully avoidable by players.

This is Sara’s main attack for this Phase, cast whenever she is not casting anything else. A random raid member will take moderate Shadow damage, and lose 9 sanity. This cannot be avoided and is a constant sanity drain for the raid.

Sara will fear a random player for 4 seconds. After the effect ends, this will jump to another player within 10 yards. Making sure everyone is at least 10 yards away from the feared player is vital to managing this spell, as the Fear can easily keep chaining throughout the raid with poor positioning. This also reduces sanity by 3.

Two random players are connected by a beam. If the two players are further than 20 yards away from each other, the beam will turn red, dealing Shadow damage and draining sanity every second. As long as the players are within 20 yards of each other, the beam will be yellow and there will be no negative effects.

Sara will summon 4 Death Orbs in the arena, slowly rotating in a circle and dealing heavy Shadow damage every second to targets under them. This is easy to avoid and very clearly indicated, so make sure you don’t get hit!

Descent Into Madness

Inside Yogg-Saron’s illusion you will find floating skulls scattered around. Looking directly at these will deal Shadow damage and drain your sanity every second.

Make sure you look away from them at all times, even if this means strafing around the entire illusion!

Any damage dealt to the Influence Tentacles is also dealt to the attacker. This will rarely end up being significant, but can warrant a healer following into the illusion.

The first time Yogg-Saron’s brain is attacked, the real Yogg-Saron will be briefly stunned, stunning all of the tentacles found in the regular boss room. This is a moment to breathe, catch up, and clear Tentacles for anyone not in the illusion.

As soon as the portals to Yogg-Sarons brain spawn, a 60-second timer begins. After 60 seconds, anyone within the illusion or brain will be instantly reduced to 0 sanity and go insane.

Inside the brain room, there are portals out. Try to position yourself adjacent to these so you can leave at the last possible second.

crusher-tentacle

Whenever a Crusher Tentacle spawns, it deals a small amount of Physical damage and knocks back everyone close to it. This is not something to worry about or necessarily avoid, simply reposition if you get knocked back.

Crusher Tentacles will try to channel diminish-power, reducing all player’s damage dealt by 20% for as long as it is channeling. This channel can be interrupted by hitting the Tentacle with a melee swing, and you will want to have it interrupted every time it is cast.

Every time the Crusher Tentacle is hit by a melee attack, it will receive one stack of focused-anger. This increases their damage done and attack speed by a small amount for each stack. This creates a balancing act, where someone will need to interrupt diminish-power with a melee swing, but will want to stop attacking immediately to avoid excess stacks. focused-anger fades after 1 second, but the duration is refreshed by melee swings. This allows a melee DPS to quickly hit them once each time diminish-power is cast, then move back to their primary target.

corruptor-tentacle

Whenever a Corruptor Tentacle spawns, it deals a small amount of Physical damage and knocks back everyone close to it. This is not something to worry about or necessarily avoid, simply reposition if you get knocked back.

Corruptor Tentacles will periodically debuff a random player with apathy, reducing their attack, casting, and movement speeds for 20 seconds. This is a Magic effect and can be dispelled.

Corruptor Tentacles will periodically debuff a random player with black-plague, stunning the target for 2 seconds every 3 seconds, lasting for 24 seconds. This is a Disease and can be dispelled.

Corruptor Tentacles will periodically debuff a random player with curse-of-doom, dealing heavy Shadow damage after a 12 second delay. This is a Curse and can be dispelled.

Corruptor Tentacles will periodically debuff a random player with draining-poison, dealing moderate Nature damage and draining mana every 3 seconds for 18 seconds. This is a Poison effect and can be dispelled.

constrictor-tentacle

Constrictor Tentacles will grab a random nearby player, dealing high Physical damage every second until either the tentacle or the player dies. This can be escaped using various immunities, such as Divine Shield.

Phase 3

Yogg-Saron

Similar to the skulls in Phase 2, Yogg-Saron will channel this, dealing moderate Shadow damage and draining sanity every second the player looks at Yogg-Saron. Avert your eyes whenever this is happening, even if it costs you DPS!

Healing spells do not require you to face the target, allowing Healers to spend the entirety of Phase 3 facing away from Yogg-Saron, simplifying the mechanics for them.

Faceless Ones will spawn throughout this Phase, similarly to Phase 1. These will start the fight with 9 stacks of empowered, increasing their damage dealt drastically for each stack. Every 10% health they lose will remove a stack of empowered, reducing their damage dealt.

Players cannot kill Immortal Guardians, only reduce them to 1% health. If you have Thorim assisting, he will occasionally cast titanic-storm, which will kill low-health Immortal Guardians.

Yogg-Saron will periodically mark a random Immortal Guardian with a shadow-beacon. This ability serves as a warning that after 10 seconds, Yogg-Saron will follow up by casting empowering-shadows on that Guardian.

10 seconds after shadow-beacon has targeted a Guardian, Yogg-Saron will cast empowering-shadows on it. This will drastically heal all enemies within 20 yards of the Guardian, including Yogg-Saron themselves. It is vital for a tank to pull the targeted Guardian away from the raid, and away from Yogg-Saron.

Players may need to focus on the Immortal Guardian again, after they have been healed.

With fewer than 4 Keepers assisting, Yogg-Saron will use deafening-roar. This deals moderate Physical damage to everyone in the raid, silencing them for 4 seconds.

This can be mitigated using aura-mastery combined with concentration-aura, effectively removing the Silence component if timed correctly.

This roar also signifies that players building Val’anyr can throw their fragments into Yogg-Sarons mouth, a key step in rebuilding the legendary hammer.

Raid Composition & Preparation

This fight has no specific class or spec requirements, and as long as your group can out-heal the damage you should be able to pull through.

You will want 3-6 Healers for this fight, making sure to cover all four dispellable schools of magic.

Shamans are able to dispel Poison, Disease, and Curses using cleanse-spirit, as well as dispelling Poison & Disease using cleansing-totem.
Paladins are able to dispel Poison, Disease, and Magic using cleanse.
Priests are able to dispel Diseases using cure-disease-priest or abolish-disease, and Magic using dispel-magic or mass-dispel.
Druids are able to dispel Poison using cure-poison-druid or abolish-poison, and Curses using remove-curse-druid.

There are no strict requirements for DPS classes or specs here, you simply want a combination of good raid buffs and debuffs, as well as the best players you can muster.

You will want 2-3 tanks for this fight, depending on how you intend to handle adds during Phase 1.

Hard Mode

Instead of the opt-in Hard Modes we have had so far, you will need to opt out of Hard Mode instead. This is done by talking to the Keepers in the conservatory, after completing their encounters. Asking them for their help allows them to provide 2 unique abilities to the encounter, making your fight easier. Receiving help from all four of them would be the Normal Mode for this fight, and receiving help from only one will give you access to the Hard Mode loot table.

Opting instead for going at this fight “alone” (with 24 other people by your side of course), gives you access to both the Hard Mode loot table, and a small chance at receiving mimirons-head, a one-of-a-kind mount head.

Completing the fight with 0-1 Keepers will give you access to the following loot:

The Pull

The encounter will begin as soon as players enter Yogg-Sarons prison. Make sure that everyone moves in together, most of the fight will take place towards the center of the room.

The Fight

Phase 1

The beginning of the fight will have the raid dealing with Faceless Ones, assisted by the avatar of Yogg-Saron, Sara. Sara will cast various spells that both benefit and hinder the raid at the same time. Your goal for this Phase is to kill Sara, but as she is friendly to the raid, you have to be creative.

Adds will spawn from the clouds floating around the room, starting slowly and spawning faster and faster over the duration of the Phase. Killing one of these will cause an explosion, dealing heavy Shadow damage to everyone within 15 yards of it. This damage can be used to hit Sara and is the only way to damage her during this Phase.

yogg saron clouds

In addition to the adds spawning on a timer, anytime a player touches one of the clouds, another add will instantly spawn. This can be utilized to get through Phase 1 faster, but it also adds additional risk to the fight, and can potentially leave groups in a situation where they have multiple adds alive when Phase 2 begins.

There are many ways to position this Phase, but there are two primary methods. The first method is stacking in the middle, with melee DPS and tanks underneath Sara, and ranged DPS at least 20 yards away from Sara. This requires ranged DPS to actively avoid the clouds for the entire Phase, but if done correctly will provide the quickest add kills.

yogg saron phase 1 all middle

The other common method is to have most of the raid stack towards the outskirts of the room. A small ranged DPS group will want to be close to the middle. A tank grabs an add, pulls it to the raid who DPSes it almost all the way down, then another tank taunts it and runs it to the middle, where the smaller squad deals the rest of the damage.

yogg saron phase 1 outskirt stack

This second method is generally safer, as the raid can completely avoid the clouds, as well as almost ensuring that only the tank in the middle will be hit by shadow-novas.

Once enough Faceless Ones have been killed under Sara, Phase 2 will begin.

Here are some of the main things that can typically go wrong in this Phase:

  • Players get caught by clouds, overwhelming the raid with adds
  • Guardians are not killed under Sara, wasting a lot of time and effort
  • The Phase takes too long, spawning adds rapidly
  • Too many adds are still alive when entering Phase 2
  • Players are too close to dying Guardians, causing AoE damage to the raid.

Phase 2

When Sara dies and Phase 2 starts, make sure you kill any remaining adds as soon as possible.

This is where the sanity mechanic comes into play. Each player has their own sanity count, starting at 100 and being reduced by various spells cast by Sara. If your sanity ever reaches 0, you will go insane, being mind controlled for the rest of the fight. If you asked Freya for help before the fight, sanity can be replenished at sanity-wells found around the room. These are green beams of light and are the only way to regenerate lost sanity.

The more effective players are at handling Sara’s abilities, the less sanity they will lose. brain-link will connect two players with a colored beam. As long as the connected players are more than 20 yards away from each other, they will take Shadow damage and lose sanity every second. Anyone targeted by this will need to make sure they immediately run toward their new life partner.

Sara will also cast malady-of-the-mind on random players, fearing them for 4 seconds and draining their sanity. This will jump to any player within 10 yards, so make sure everyone gets away from the feared player!

In addition to Sara, players will have to deal with various Tentacles spawned by Yogg-Saron. These come in three distinct flavors, Crusher, Corruptor, and Constrictor.

Constrictor Tentacles will grab a random player, squeezing them for high Physical damage every second until the Tentacle is killed. These should be quickly focused down whenever they grab a player.

Crusher Tentacles will channel diminish-power, reducing the damage of everyone in the room. Any melee hit will interrupt this cast, but will also give the Tentacle a stack of focused-anger. Each stack of focused-anger increases its damage and attack speed, stacking up to 99 times. This buff only lasts for one second but is refreshed by melee hits. This makes it important that a melee player hits the Tentacle once every so often to interrupt diminish-power, but then immediately stops attacking until the buff has fallen off. Ranged DPS can freely kill these Tentacles without worrying about focused-anger, but their attacks will not stop diminish-power.

Corruptor Tentacles will cast 4 different debuffs, all of which can be dispelled by players. curse-of-doom is a Curse that will deal heavy Shadow damage after 12 seconds. apathy is a Magic effect that reduces attack speed, cast speed, and movement speed for 20 seconds. black-plague is a Disease that lasts for 24 seconds, occasionally stunning the recipient for 2 seconds. draining-poison is a Poison effect that drains Mana and deals low Nature damage every 3 seconds. Because all of these can be dispelled, these adds are generally not much of a concern or threat. Melee players will want to focus on these.

But wait, there’s more! Phase 2 is the Phase that keeps on giving, so in addition to Sara and our slimy friends, we also have portals to Yogg-Sarons brain. 10 of these will spawn every 60 seconds into the fight, and then again every 90~ seconds. Each portal can be used by one player to enter Yogg-Saron’s mind.

yogg saron phase 2 portal locations

Inside Yogg-Saron’s mind, players will find themselves in a circular room full of illusions. Around the outer rim of the room, you will find various attackable targets. Attacking any of these once will reveal them as illusions, and killing all of the illusions will break down the barrier into the brain-of-yogg-saron.

The easiest method to handle this is to simply have everyone run a circle around the edges of the room, attacking all illusions quickly before moving on. Ideally, they will all be dead by the time players have completed a full lap, allowing you to simply walk back out where you came from and attack the brain.

yogg saron phase 2 brain circle

There are also floating skulls inside the illusion, and looking directly at one of these will debuff players with lunatic-gaze-skull, rapidly draining their sanity. Players will have 60 seconds to kill all the tentacles and do what they can to Yogg-Sarons brain. Inside the brain room, there are portals that can be used to return to Yogg-Sarons prison. Anyone remaining inside the illusion after 60 seconds will be hit by induce-madness, instantly reducing their sanity to 0 and mind controlling them.

yogg sarons brain room

Once Yogg-Sarons brain has been reduced to 30% health, Phase 2 will end and Phase 3 will begin.

Here are some of the main things that can typically go wrong in this Phase:

  • Melee players auto attack Crusher Tentacles, stacking focused-anger
  • Corruptor Tentacles debuffs are not dispelled
  • Constrictor Tentacles are ignored, killing the squeezed player
  • Sanity is mismanaged, causing insane
  • Players remain inside the illusion for too long, causing Mind Controls
  • Players remain inside Yogg-Sarons illusion for too long, causing insane

Phase 3

Make sure you kill all remaining Tentacles, especially Crusher Tentacles. You’ve gotten past the worst, but the Old God still has some tricks up its sleeve.

The primary mechanic here is lunatic-gaze-yogg. This functions almost identically to the skulls inside the illusion, dealing Shadow damage and draining sanity every second you look at Yogg-Saron. This is channeled over 4 seconds and requires players to simply face away from the boss while it is being cast. This is cast very often, and Healers will likely find it simplest to always be facing away, instead of turning as required.

Immortal Guardians will also spawn periodically during this Phase. These start the fight with 9 stacks of empowered, losing a stack every time they lose 10% of their health. They cannot be reduced below 1% health by players, but if you have Thorim assisting you, he can use titanic-storm to kill low-health Guardians. Despite them not dying, it is very important that they are quickly DPSed to lower their damage.

yogg saron phase 2 generic positioning

Yogg-Saron will also mark Guardians with shadow-beacon, and after a 10-second delay will follow up with empowering-shadows on all marked targets, massively healing all enemies within 20 yards. It is very important that the marked Guardians are quickly moved at least 20 yards away from Yogg-Saron and all non-marked Guardians.

On Hard Mode, Yogg-Saron will also cast deafening-roar, dealing moderate Physical damage to the raid and silencing them for 4 seconds. This can be mitigated using concentration-aura together with aura-mastery.

Outside of these abilities, this Phase is very simple, kill Yogg-Saron!

Here are some of the main things that can typically go wrong in this Phase:

  • Guardians with shadow-beacon are tanked close to the boss, negating raid damage.
  • Players awkwardly lock eyes with Yogg-Saron during lunatic-gaze-yogg. Phone numbers are exchanged.
  • Immortal Guardians are not handled quickly enough, killing tanks.

Achievements

  • The Descent into Madness
    • Achieved by beating General Vezax and Yogg-Saron.
  • Kiss and Make Up
    • Use the /kiss emote on Sara during Phase 2. Easy!
  • Drive Me Crazy
    • Defeat Yogg-Saron without any players reaching 0 sanity and being mind controlled. This is fairly simple with all 4 Keepers, but is significantly more difficult on Hard Mode.
  • He’s Not Getting Any Older
    • Defeat Yogg-Saron within 7 minutes. This is a fairly strict timer and will likely require your raid to perform as well as be geared appropriately.
  • They’re Coming Out of The Walls
    • Kill 9 Guardians of Yogg-Saron within 12 seconds. This will require your raid to either wait for many of them to spawn, or to actively stand in clouds to force more to spawn. You can utilize their shadow-nova ability to chain kills once they are low enough health.
  • In His House He Waits Dreaming
    • Experience all three of Yogg-Sarons illusion rooms. You will need to personally enter the portals to achieve this, and which illusion you get is entirely random.
  • Three Lights in the Darkness

Congratulations on defeating Yogg-Saron! Claim your spoils and enjoy the well needed rest.

 

About the Author

Passion

I love MMOs of all shades, especially the nitty gritty numbers parts of them. You might recognize me from the Shadow Priest discord, otherwise I play a little bit of everything, especially games with support roles available.
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