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Immerseus

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BossImmerseus
Image of Immerseus
Title

<Tears of the Vale>

Race

Water elemental (Elemental [1])

Level

?? Boss

Health
10 61,931,456
10H 91,558,768
Flex 46,666,660
LFR 128,224,280
25 217,632,368
25H 267,788,112
Location
Status

Defeatable

Immerseus is the first boss of Siege of Orgrimmar. This titanic elemental is the physical embodiment of secret reservoir waters that were corrupted after the Sha of Pride was released.

Contents

Background

Dungeon Journal

Immerseus when purified once again.

The ancient inhabitants of Pandaria recognized the vital importance of the lifegiving Pools of Power, building an underground system of aqueducts to safeguard the waters and nurture life in the Vale of Eternal Blossoms. The touch of corruption has animated and twisted these waters, and Immerseus stands as an unnatural embodiment of the Vale's sorrow.

Encounter Design

The layout of this area and the visual framing of the boss as players enter the raid zone hearkens back to Lord Marrowgar at the entrance to Icecrown Citadel—we wanted to make sure that the first thing players saw when they entered the Raid was a huge and visually impressive foe. Long-time players (or pet collectors) may find the fight structure somewhat reminiscent of Viscidus in the Temple of Ahn’Qiraj.[2]

Overview

Immerseus begins with 100 Corruption, displayed as a visible power bar, and the objective of the encounter is to cleanse him by reducing his Corruption level to 0. Each time Immerseus is reduced to zero health, he will Split into a mix of dark Sha Puddles and watery Contaminated Puddles. As the Puddles move back towards the center of the chamber, damage-dealers must destroy Sha Puddles, while healers try to heal Contaminated Puddles in order to fully purify them, before they reach the central pool.Following each Split, Immerseus will reform with reduced health and Corruption depending on how successful the raid was in dealing with the two types of Puddles. This cycle will repeat until Immerseus is cleansed.

Abilities

Tears of the Vale

As a water elemental, Immerseus attacks players directly.

  • Sha spell fire bluepyroblast.png  Sha Bolt — Immerseus fires a Sha Bolt at every enemy, inflicting 75,000 Shadow damage to enemies within 5 yards, forming a Sha pool at the targeted location.
  • Spell frost summonwaterelemental.png  Swirl Important — Immerseus causes torrents of Sha-corrupted water to burst from beneath the cracks in the ground. Players that come into contact with the tainted waters will suffer 30,000 Shadow damage and be knocked away.
  • Ability warlock shadowflame.png  Corrosive Blast Tank Alert — Immerseus inflicts 600,000 Shadow damage in a cone aimed at his primary target, increasing Shadow damage taken by 100% for 45 sec. Stacks.
  • Sha inv elemental primal shadow.png  Seeping Sha — Coming into contact the Seeping Sha that surrounds Immerseus inflicts 100,000 Shadow damage and knocks players back.
  • Inv legendary chimeraoffear.png  Swelling Corruption Heroic Difficulty Important — Immerseus surges with power, gaining stacks of Swelling Corruption proportional to his current Corruption level. This power lashes out at players who strike Immerseus with single target abilities, coalescing into a Congealed Sha creature as well as inflicting Sha Corruption upon the attacker, which deals at least 2500 Shadow damage every 1 sec for 6 sec, increasing in damage rapidly with each additional stack.

Split

Upon reaching zero health, Immerseus becomes unstable and bursts into a shower of Sha Puddles and Contaminated Puddles, which will attempt to reform in the pool at the center of the chamber. For each Sha puddle killed and each Contaminated Puddle healed to full, Immerseus's Corruption is reduces by one. When Immerseus reaches zero Corruption, he is cleansed of the Sha taint and becomes friendly.

  • Sha Puddle Damage Dealer Alert — When destabilized, Immerseus forms one Sha Puddle for every four units of Corruption he has. Destroying a Sha Puddle before it merges back into the central pool will remove one unit of Corruption.
    • Sha spell fire felfireward.png  Sha Residue — When a Sha Puddle is destroyed, it triggers Sha Residue, inflicting 75,000 Shadow damage to enemies within 8 yards and increasing damage dealt to other Sha Puddles by 25%. Stacks.
  • Contaminated Puddle Healer Alert — When destabilized, Immerseus forms one Contaminated Puddle for every four units of Corruption that have previously been removed. Healing a Contaminated Puddle to full health before it merges back into the central pool will cause it to become Purified, and remove one unit of Corruption upon reaching Immerseus.
    • Inv elemental eternal water.png  Congealing Magic Effect — The speed of the Contaminated Puddle wanes as it increases in health.
    • Spell nature giftofthewaterspirit.png  Purified Residue Magic Effect — Upon reached full health, a Contaminated Puddle released Purified Residue, restoring 25% mana to all allies within 10 yards and increasing healing done by 75%. Stacks.
  • Sha ability warrior bloodnova.png  Erupting Sha — When any Puddle reaches Immerseus, it triggers Erupting Sha, which inflicts 75,000 Shadow damage to all players.
  • Sha spell fire felfire.png  Sha Pool Heroic Difficulty Important — The Sha Pool grows over time, inflicting at least 3,000 Shadow damage over 1 sec to enemies who touch it, stacking and increasing rapidly in damage proportional to the number of stacks. Touching the Sha Pool causes it to shrink, whereas it will expand whenever any Puddle reaches it.
  • Sha inv elemental primal shadow.png  Seeping Sha — Coming into contact the Seeping Sha that surrounds Immerseus inflicts 100,000 Shadow damage and knocks players back.

Strategy

Immerseus alternates between two phases: the "normal" phase and the "corruption" phase. The objective of the raid is to empty his corruption bar, which can only happen in the corruption phase; the raid must DPS Immerseus to zero HP in the normal phase to trigger the phase transition.

Immerseus' enrage timer has been estimated at around 10 minutes [3], which should not be an issue for most groups, especially on normal mode.

Normal Phase

Tanks need to face Immerseus away from the raid (and away from each other) due to Corrosive Blast, and will need to regularly taunt off each other to avoid being one-shotted by this ability.

The rest of the raid will be periodically targeted by Sha Bolts. These leave a void zone and, with all void zones, players need to move out of them. The void zones persist until the phase transition, so players must carefully position the pools in such a way that they don't position themselves into a corner with no means of escape.

When Immerseus casts Swirl, the raid must simply rotate ahead of the beam. This ability is reminiscent of Durumu's Disintegration Beam and Wise Mari's Wash Away.

Players should take care not to enter Immerseus' circular puddle, as it cases both damage and a knockback.

Corruption Phase

Once Immerseus is brought down to zero HP in the normal phase, blobs of corruption will fly out of him. There are two types of blobs, Sha Puddles and Contaminated Puddles.

DPS (with tanks contributing) will need to head after the Sha Puddles and burst them down one at a time. For each Sha Puddle killed, players within 10 yards will receive a stacking buff increasing damage to other Sha Puddles by 25%, and Immerseus' corruption bar will permanently decrease by 1.

Healers will need to heal the Contaminated Puddles one at a time. The puddles slow down the more they are healed, and when healed to full, healers within 10 yards will receive 25% mana as well as 75% increased healing for 10 seconds. Healing a Contaminated Puddle to full health also permanently decreases the corruption bar by 1.

Any puddles that reach the boss will deal raid wide damage, so the raid needs to kill/heal as many puddles as possible before the remaining puddles reach the boss, and use raid cooldowns to survive the damage when they do. Immerseus will then re-form with reduced health (corresponding to his corruption bar), and the raid will head back into the normal phase.

The fight will then alternate between the two phases until the raid kills/heals enough blobs to empty the boss's corruption bar. When this happens, Immerseus becomes friendly, and the fight is over.

Achievement: No More Tears

To earn [No More Tears], the raid will need to attempt to stop Sha Puddles from ever reaching the boss during the Corruption Phase. The puddles are immune to [Ring of Frost], [Banish], [Fear] and other forms of crowd control, but can be stunned, slowed, rooted and knocked back.

After 30 seconds, Immerseus will return to the Normal Phase, and any Sha Puddles that have not reached the boss at this time will transform into Tears of the Vale. They have little health and do not need to be tanked, but cast a raid-wide AoE that can quickly overwhelm healers (even in Flexible Difficulty), so the raid will need to nuke them down as quickly as possible. Once 10 such Tears of the Vale has been killed, the raid can then proceed to defeating the encounter normally.

Attempting the achievement will however bring the encounter's usually generous hard enrage timer into play; too many prolonged Corruption Phases can end in a wipe due to the enrage timer. The raid should aim for 3-4 Tears of the Vale per Corruption Phase until enough have been killed, or even 5 if the healers are confident.

Loot

Immerseus
Item Type Description
 [Bolt-Burster Grips] (LFR · F · WF · H · H WF) Cloth hands Spirit
 [Bracers of Purified Spirit] (LFR · F · WF · H · H WF) Leather wrist Spirit
Bracers of Sordid Sleep (LFR · F · WF · H · H WF) Plate wrist Strength tank
Bubble-Burst Bracers (LFR · F · WF · H · H WF) Plate wrist Strength DPS
Chestplate of Congealed Corrosion (LFR · F · WF · H · H WF) Plate chest Strength DPS
Cloak of Misguided Power (LFR · F · WF · H · H WF) Back Intellect DPS
 [Corruption-Rotted Gauntlets] (LFR · F · WF · H · H WF) Plate hands Strength DPS
Encapsulated Essence of Immerseus (LFR · F · WF · H · H WF) Mace (1H) Strength tank
Greatbelt of Living Waters (LFR · F · WF · H · H WF) Plate waist Spirit
Hood of Blackened Tears (LFR · F · WF · H · H WF) Leather head Agility DPS
Hood of Swirling Senses (LFR · F · WF · H · H WF) Cloth head Intellect DPS
Ichor-Dripping Shoulderpads (LFR · F · WF · H · H WF) Cloth shoulder Spirit
Immerseus' Crystalline Eye (LFR · F · WF · H · H WF) Neck Agility DPS
Pauldrons of Violent Eruption (LFR · F · WF · H · H WF) Plate shoulder Strength tank
Puddle Punishers (LFR · F · WF · H · H WF) Mail feet Agility DPS
Purified Bindings of Immerseus (LFR · F · WF · H · H WF) Trinket Intellect DPS
Salt Water Sandals (LFR · F · WF · H · H WF) Leather feet Spirit
 [Seal of Eternal Sorrow] (LFR · F · WF · H · H WF) Finger Spirit
Soul-Soaked Gloves (LFR · F · WF · H · H WF) Mail hands Spirit
Treads of Unchained Hate (LFR · F · WF · H · H WF) Plate feet Strength tank
Trident of Corrupted Waters (LFR · F · WF · H · H WF) Staff Agility DPS
Waterwalker Greatboots (LFR · F · WF · H · H WF) Plate feet Intellect

Achievements

Quotes

Intro
Lorewalker Cho yells: Ah, we adventure together again, except this time I am afraid that the circumstances are much more dire.
Lorewalker Cho yells: The land is scarred! The ever blooming trees and plants wither and die, as the water from the pools drains away.
Lorewalker Cho yells: Once, the Titans used these life-giving waters to create and shape all life in Pandaria.
Lorewalker Cho yells: It is these waters that kept the Vale in bloom. Their runoff into the Valley of the Four Winds created the most fertile farmland in the world!
Lorewalker Cho yells: And now, the malignance of the Old God has manifested itself within the waters.
Lorewalker Cho yells: Such a foul, foul thing - destroy it, before it seeps deep into the soil and corrupts all of Pandaria!
Outro
Lorewalker Cho yells: Ah, you have done it. The waters are pure once more!
Lorewalker Cho yells: Can you feel their life-giving energies flow through you?
Lorewalker Cho yells: It will take much time for the Vale to heal, but you have given us hope!

Patches and hotfixes

  • Hotfix (2014-01-23): [A Murder of Crows] will no longer cause stacks of Swelling Corruption in heroic mode.
  • Hotfix (2013-09-24): "Corrosive Blast now has a greatly increased range."
  • MoP Patch 5.4.0 (2013-09-10): Added.

References

External links

Guides