Raid Guides

Siege of Orgrimmar

PTR and progression notes tuned for raid-leading from a second monitor.

Tier 16 Prep

Fast calls and role checks

Static raid-leader notes for all 14 Siege bosses. Use the boss jump list, copy boss notes, and scan role cards during progression.

14 bosses 70 callout blocks Heroic flagged

Boss 1

Immerseus

Top
T

Tanks

  • Tank Immerseus facing away from the raid.
  • Tank swap for Corrosive Blast.
H

Healers

  • Heal Contaminated Puddles during Split.
  • Stand within 12 yards of Contaminated Puddles as they reach full health for the healing and mana buff.
  • Heal raid damage when puddles reach the center during Split.
  • Watch raid-wide Sha Bolt damage during the Immerseus phase.
D

DPS

  • Damage Sha Puddles during Split.
  • Stand within 10 yards of Sha Puddles as they die for the stacking damage buff.
All

Everyone

  • Avoid Sha Bolt void zones.
  • Avoid Swirl and the moving void zones it creates.
  • Do not stand in front of Immerseus during Swirl.
  • Do not enter Immerseus' hitbox.
  • Spread evenly around the room during Split so puddles can be reached.
Heroic

Heroic Differences

  • Swelling Corruption is applied during the Immerseus phase.
  • Each attack into Swelling Corruption removes a stack, applies a dispellable Shadow DoT to the attacker, and spawns a Congealed Sha.
  • Kill Congealed Sha adds quickly.
  • A tank should pick up Congealed Sha adds.
  • Sha Pool appears in the center during Split and grows when puddles reach it.

Boss 2

Fallen Protectors

Top
T

Tanks

  • Face Rook Stonetoe away from the raid for Vengeful Strikes.
  • Pick up Embodied Misery, Embodied Sorrow, and Embodied Gloom during Rook's Desperate Measures.
  • Kite Embodied Misery away from the void zones it creates.
  • He Softfoot's tank should face away from He when Gouge is cast.
  • He Softfoot's tank should watch Instant Poison damage and Noxious Poison void zones.
H

Healers

  • Watch Rook's tank during Vengeful Strikes.
  • Heal the target of Mark of Anguish.
  • Dispel Shadow Word: Bane before it ticks.
  • Heal raid-wide Calamity damage.
  • Heal Dark Meditation damage during Sun Tenderheart's Desperate Measures.
D

DPS

  • Prioritize Desperate Measures adds while they are active.
All

Everyone

  • Avoid Corrupted Brew.
  • Move away from Rook during Corruption Kick.
  • Stack for Inferno Strike.
  • Interrupt Corruption Shock.
  • Spread to reduce Sha Sear damage.
  • Stack inside Meditative Field during Sun's Desperate Measures.
Heroic

Heroic Differences

  • Corrupted Brew projectiles travel faster the longer Rook is kept out of Desperate Measures.
  • Rook's Desperate Measures adds share health.
  • Debilitation from Mark of Anguish reduces armor by 80% for 4 minutes.
  • Sun's Calamity deals 10% more maximum-health damage with each cast until Sun enters Desperate Measures.
  • Use a Mark of Anguish pass rotation instead of letting one tank hold it indefinitely.

Boss 3

Norushen

Top
T

Tanks

  • Tank swap on the Amalgam of Corruption.
  • Pick up Unleashed Manifestations of Corruption.
  • Soak assigned Residual Corruption void zones.
H

Healers

  • Heal increasing Icy Fear raid damage.
  • Heal high raid damage while Unleashed Manifestations of Corruption are alive.
D

DPS

  • Prioritize adds whenever they are active.
All

Everyone

  • Avoid the Blind Hatred cutter beam.
  • Intercept projectiles fired by Unleashed Essences of Corruption toward the Amalgam.
  • Do not stand on a dying Unleashed Manifestation unless assigned to soak Residual Corruption.
  • Complete your role's test.
Heroic

Heroic Differences

  • Heroic adds no new mechanics.
  • Enemies have increased health and damage.
  • The Normal-mode strategy remains unchanged.

Boss 4

Sha of Pride

Top
T

Tanks

  • Tank swap when affected by Wounded Pride.
  • The inactive tank should pick up Manifestations of Pride.
H

Healers

  • Dispel Mark of Arrogance while affected by Gift of the Titans.
  • Heal Mark of Arrogance damage until it can be dispelled safely.
  • Prepare for Unleashed damage after the boss reaches 30%.
D

DPS

  • Prioritize adds while they are alive.
  • Interrupt Mocking Blast from Manifestations of Pride.
  • Kill Reflections from Self-Reflection.
All

Everyone

  • Stack behind the boss on Normal mode.
  • Handle the next Swelling Pride effect based on your Pride level.
  • Avoid gaining unnecessary Pride.
  • Do not stand on Corrupted Prison locations before Corrupted Prison is cast.
  • Free Corrupted Prison targets immediately.
  • Move to your Projection when required.
Heroic

Heroic Differences

  • Banishment sends selected players to the Sha Realm and leaves Corrupted Fragments in the normal realm.
  • Kill Corrupted Fragments quickly to release banished players.
  • Banished players must avoid the maze walls and hostile adds in the Sha Realm.
  • Unstable Corruption creates Rifts of Corruption throughout the room.
  • Close Rifts of Corruption only when not affected by Weakened Resolve.
  • Do not close a Rift while affected by Mark of Arrogance.

Boss 5

Galakras

Top
T

Tanks

  • Tank all mobs that enter the fight.
  • Move Korgra away from her void zones.
  • Face High Enforcer Thranok away from the raid.
  • Tank Galakras in Phase Two and perform a tank switch.
H

Healers

  • Expect many sources of raid damage during Phase One.
  • In Phase Two, heal increasing Pulsing Flames damage.
  • In Phase Two, heal Flames of Galakrond explosion damage.
D

DPS

  • Kill Kor'kron Demolishers.
  • Kill Healing Tide Totems.
  • Send assigned players to tower mini-bosses.
  • Use Anti-Air Turrets against Proto-Drakes.
All

Everyone

  • Avoid Arcing Smash.
  • Avoid Muzzle Spray.
  • Move away from Dragonmaw Ebon Stalkers if they are behind you.
  • Move away from High Enforcer Thranok during Skull Cracker.
  • Intercept Flames of Galakrond in Phase Two.
Heroic

Heroic Differences

  • Towers are unlocked by friendly NPCs instead of opening automatically.
  • Dragonmaw Grunts try to kill the friendly NPCs opening the towers.
  • If a tower-opening NPC dies, a new NPC spawns and tower-opening progress restarts.
  • Assign DPS players to protect the NPC opening the next tower.

Boss 6

Iron Juggernaut

Top
T

Tanks

  • Tank swap for Flame Vents during Assault Phase.
  • Face Iron Juggernaut away from the raid during Assault Phase.
  • Detonate Crawler Mines if assigned.
H

Healers

  • Heal random raid damage from Laser Burn.
  • Heal the tank detonating Crawler Mines.
  • Prepare for Seismic Activity during Siege Phase.
  • Prepare for Demolisher Cannons during Siege Phase.
D

DPS

All

Everyone

  • Avoid Borer Drill ground effects.
  • Avoid Mortar Cannon ground effects.
  • During Siege Phase, do not stand where Shock Pulse can knock you too far away.
  • If targeted by Cutter Laser, do not kite it into Explosive Tar.
Heroic

Heroic Differences

  • Ricochet is added during Assault Phase.
  • Avoid Ricochet as it moves around the area.
  • Mortar Barrage is added during Siege Phase.
  • Mortar Barrage marks random ground near the boss with red circles.
  • Players targeted by Cutter Laser during the Siege Phase stack strategy must move out of the raid quickly.

Boss 7

Kor'kron Dark Shaman

Top
T

Tanks

  • Pick up the bosses and their mounts at the start.
  • Face Darkfang and Bloodclaw away from the raid until they die.
  • Tank swap on the bosses.
  • Tank the bosses together so the raid can cleave them.
  • Move the bosses away from Ashen Wall.
  • If assigned, kite Foul Slimes so they do not pass through the raid.
H

Healers

  • Heal Toxic Mist targets as the DoT ramps up.
  • Heal raid damage from Falling Ash.
  • Use defensive raid cooldowns when the bosses drop below 25% health.
D

DPS

  • Kill Darkfang and Bloodclaw first.
  • Cleave or multi-DoT the bosses when it is a DPS gain, because they share health.
  • Ranged DPS should kill Foul Slimes immediately.
  • If assigned, kite Foul Slimes until they die.
All

Everyone

  • Move out of Foul Stream.
  • Move out of Falling Ash.
  • Move away from Ashen Wall.
  • Avoid Toxic Storm clouds and Toxic Tornadoes.
  • Do not stand near Wavebinder Kardris during Foul Geyser.
Heroic

Heroic Differences

  • Earthbreaker Haromm gains Iron Tomb at 95% health.
  • Iron Tomb creates a stationary tomb at a random player's location and damages players within 3 yards.
  • Wavebinder Kardris gains Iron Prison at 95% health.
  • Iron Prison deals 100% of the target's maximum health as Physical damage when it expires.
  • Iron Prison targets need full health plus a defensive cooldown or absorption effect before expiration.
  • Spread at least 3 yards for Iron Tomb.

Boss 8

General Nazgrim

Top
T

Tanks

  • Tank swap for Sundering Blow.
  • Tank mobs away from Healing Tide Totems.
  • Tank mobs away from Ravager weapons.
H

Healers

  • Use cooldowns for War Song if needed.
  • Pay special attention to Bonecracker targets.
D

DPS

  • Prioritize adds over Nazgrim.
  • Kill Kor'kron Banners immediately.
  • Kill Healing Tide Totems immediately.
  • Do not attack Nazgrim during Defensive Stance.
All

Everyone

  • Interrupt adds as much as possible.
  • Do not allow Magistrike casts from Kor'kron Arcweavers.
  • Do not allow Empowered Chain Heal casts from Kor'kron Warshamans.
  • Dispel Earth Shield immediately.
  • Avoid Aftershock, Ravager, and Ironstorm damage.
Heroic

Heroic Differences

  • Nazgrim casts Execute on his current tank every 15 seconds.
  • Kor'kron Snipers are added to add waves.
  • Kor'kron Snipers use Hunter's Mark on random non-tank players.
  • Sniper targets should face the Sniper away from the raid to reduce Multi-Shot damage.
  • Heroic add waves contain 3 adds instead of 2.

Boss 9

Malkorok

Top
T

Tanks

  • Tank swap for Fatal Strike.
H

Healers

  • Keep Ancient Miasma shields at maximum capacity.
  • Dispel Displaced Energy when the target is out of the raid, if the raid strategy calls for it.
D

DPS

All

Everyone

  • Spread during Might of the Kor'kron.
  • Stack during Blood Rage.
  • Soak Imploding Energy if assigned.
  • Track Arcing Smash locations.
  • Avoid Breath of Y'Shaarj in the Arcing Smash locations.
Heroic

Heroic Differences

  • Orbs of Corruption spawn during Might of the Kor'kron.
  • Touching an Orb of Corruption removes the player's Ancient Miasma shield and deals Shadow damage.
  • Living Corruption adds spawn during Might of the Kor'kron.
  • Living Corruption reduces movement and casting speed within 8 yards by 75%.
  • Kill Living Corruption adds quickly.
  • Displaced Energy also roots its target during Blood Rage.

Boss 10

Spoils of Pandaria

Top
T

Tanks

  • Pick up mobs that spawn in your quadrant.
  • Move mobs out of void zones that heal them or buff their damage.
  • Kite Kor'thik Warcallers when they become Enraged.
H

Healers

  • Face as many raid members as possible while using the Wise Mistweaver Spirit buff.
  • Dispel Torment.
  • Dispel other harmful debuffs whenever possible.
D

DPS

  • Damage adds using cleave and multi-DoT when useful.
  • Follow the raid leader's kill order.
  • Prioritize the most dangerous enemies.
All

Everyone

  • Spread when active adds require it.
  • If affected by Set to Blow, place bombs away from the raid's occupied area.
  • Run away from Wise Mistweaver Spirit during Gusting Crane Kick.
  • Avoid fiery blossoms from the Nameless Windwalker Spirit.
Heroic

Heroic Differences

  • Crimson Reconstitution void zones also deal Fire damage to players standing in them.
  • Each cleared crate spawns one Unstable Spark in the other active quadrant.
  • Unstable Sparks cast Supernova for 10 seconds.
  • Supernova must not finish casting.
  • Ranged DPS should switch to Unstable Sparks immediately.
  • Heroic crate planning should minimize Unstable Spark spawns.

Boss 11

Thok the Bloodthirsty

Top
T

Tanks

  • Tank Thok so neither his head nor tail faces the raid.
  • Tank swap and stay out of Thok's frontal cone until it is your turn to taunt.
  • Pick up the Kor'kron Jailer during Phase Two.
H

Healers

  • Heal increasing Deafening Screech raid damage.
  • Avoid casting when Deafening Screech goes off.
  • Heal combined Deafening Screech and Shock Blast damage, or the ability replacing Shock Blast.
  • Heal the Fixate target on Heroic.
D

DPS

  • Kill ice tombs.
  • Kill the Kor'kron Jailer during Phase Two.
All

Everyone

  • Avoid standing in front of Thok.
  • Avoid standing behind Thok.
  • If focused during Phase Two, kite Thok in a predictable direction.
  • Avoid fiery void zones during the Montak Phase One.
Heroic

Heroic Differences

  • Captive Cave Bats join during the second Phase One after the second Deafening Screech.
  • The off-tank should pick up Captive Cave Bats.
  • AoE Captive Cave Bats down quickly.
  • Starved Yeti joins during the third Phase One after the second Deafening Screech.
  • Avoid the Starved Yeti's path.
  • Thok heals when he kills an NPC during Phase Two.
  • The Fixate target takes damage during Phase Two.

Boss 12

Siegecrafter Blackfuse

Top
T

Tanks

  • Tank swap on Siegecrafter Blackfuse.
  • Tank swap on Automated Shredders.
  • Take Automated Shredders at least 35 yards away from Blackfuse.
  • Watch Blackfuse's Protective Frenzy damage after an add dies.
H

Healers

  • Heal increased tank damage from Protective Frenzy after an add dies.
  • Heal raid damage from Overload.
D

DPS

  • Damage Crawler Mines when they are alive.
  • Damage Siegecrafter Blackfuse when no Crawler Mines are alive.
  • If assigned, use the north-western conveyor belt and kill the designated add.
All

Everyone

  • If fixated by Crawler Mines, do not let them reach you.
  • Do not kite Crawler Mines within 35 yards of Blackfuse.
  • Avoid trapping players between sawblades and Superheated void zones.
  • Avoid Shockwave Missile waves.
Heroic

Heroic Differences

  • One surviving conveyor weapon becomes Overcharged each wave.
  • Overcharged Electromagnets alternate pulling and pushing players and sawblades.
  • Overcharged Crawler Mines spawn two larger Crawler Mines that split into smaller mines when killed.
  • Overcharged Missile Turrets summon three Missile Turret NPCs that must be killed in sequence.
  • Overcharged Laser Turrets create three concentric fire rings with safe gaps.
  • Matter Purification Beam gaps on the north-western conveyor belt change position.

Boss 13

Paragons of the Klaxxi

Top
T

Tanks

  • Use active mitigation to avoid debuffs from Rik'kal and Xaril.
  • Do not tank bosses you are prevented from tanking by Hewn or Exposed Veins.
  • Prepare for Gouge and Mutilate.
  • Prepare for Shield Bash and Vicious Assault.
  • Face Korven the Prime away from the raid.
H

Healers

  • Watch burst tank damage from Gouge and Mutilate.
  • Watch burst tank damage from Shield Bash and Vicious Assault.
  • Heal players transformed into Amber Scorpions.
  • Heal Amber Parasite targets.
  • Do not let players sit below 25% health while Iyyokuk the Lucid is alive.
D

DPS

  • Switch promptly to amber blocks.
  • Switch promptly to Hungry Kunchongs.
  • Switch promptly to Bloods.
  • Switch promptly to Amber Parasites.
  • Do not multi-DoT or cleave secondary Paragons.
All

Everyone

  • Soak Aim by forming a line between the target and Hisek.
  • Avoid Death from Above impact zones.
  • Break Mesmerize by damaging the active Hungry Kunchong.
Heroic

Heroic Differences

  • Skeer summons one additional Blood.
  • Amber Scorpion players must use Prey on an Amber Parasite to exit the form or die.
  • Hisek gains Rapid Fire.
  • Korven's Encase in Amber block cannot be killed by raid members.
  • Iyyokuk's Fiery Edge links each target to two other players and selects more targets.
  • Xaril triggers orange, purple, and green Toxic Injection effects instead of red, blue, and yellow.
  • Kil'ruk gains Reave, pulling players toward him during the channel.
  • Active Paragons gain 8% increased damage every 50 seconds instead of gaining damage when another Paragon dies.

Boss 14

Garrosh Hellscream

Top
T

Tanks

  • In Phase One, one tank takes Garrosh and the other takes the adds.
  • In Phases Two and Three, tank swap on Garrosh.
  • Pick up Minions of Y'Shaarj in Phases Two and Three.
H

Healers

  • Heal raid damage from Iron Star explosions in Phase One.
  • Heal Annihilate damage in the realm of Y'Shaarj.
  • Heal Empowered Gripping Despair tank damage in Phases Two and Three.
  • Heal Whirling Corruption raid damage in Phases Two and Three.
D

DPS

  • Kill Farseer Wolf Riders as soon as they appear.
  • DoT and kill Desecrated Weapons in Phase One.
  • Damage mind-controlled players.
  • Kill Minions of Y'Shaarj away from other Minions.
All

Everyone

  • Do not interrupt Farseer Wolf Riders' Chain Lightning in Phase One.
  • Do not get hit by Iron Stars in Phase One.
  • In the realm of Y'Shaarj, stand near adds as they die.
  • In the realm of Y'Shaarj, avoid Annihilate.
  • Stay away from Garrosh during Whirling Corruption.
  • Interrupt and damage players affected by Touch of Y'Shaarj.
Heroic

Heroic Differences

  • Kor'kron Warbringers fixate raid members during Phase One.
  • Transition realms occur in a fixed order and have additional mechanics.
  • Temple of the Jade Serpent adds cast interruptible Embodied Doubt.
  • Terrace of Endless Spring adds cause Crushing Fear void zones while alive.
  • Minions of Y'Shaarj gain energy from melee attacks and cast Empowering Corruption at 100 energy.
  • Heroic adds Phase Four in Stormwind after Garrosh reaches 0% health.
  • Phase Four includes Malice, Bombardment, Iron Star checks, and Manifest Rage.