The Desolate Host Strategy/Tactics for Normal/Heroic
Table of Contents
General Information
On this page, you will find a working strategy to defeat The Desolate Host in Tomb of Sargeras for both Normal and Heroic modes, which usually only differ by the tuning of the boss.
Here, we assume that you have read our descriptions of the abilities for this encounter.
The other pages of our The Desolate Host guide can be accessed from the table of contents on the right.
Overview
The fight against The Desolate Host requires great coordination of movement between the 2 separate realms. Damage and healing checks for this fight are not substantial though, like any fight, stronger output will be a significant advantage. While adds are often present during the encounter, AoE and add cleave are not major focal points of the encounter. Survival is the name of the game on this encounter, and as many of the mechanics interact with each other in potentially lethal ways, great spatial awareness is the key to victory.
Positioning
Players can enter and exit the Spirit Realm by using the Spiritual Fonts found at various points on the edges of the arena.
The players in the Corporeal Realm and the players in the Spirit Realm must 
avoid each other during most points of the encounter, due to the damage from 
 Dissonance. As the position of the Engine of Souls is fixed, 
the Corporeal tank should tank the Reanimated Templar and the 2 
Ghastly Bonewardens, that are present at the beginning of the encounter, 
on top of the Engine itself. The Spirit tank should position 
Soul Queen Dejahna near the edge of the circular room, approximately 
15 yards or so away from the Corporeal tank. Going too far is detrimental for 
reasons that will be explained later on.
 Dissonance. As the position of the Engine of Souls is fixed, 
the Corporeal tank should tank the Reanimated Templar and the 2 
Ghastly Bonewardens, that are present at the beginning of the encounter, 
on top of the Engine itself. The Spirit tank should position 
Soul Queen Dejahna near the edge of the circular room, approximately 
15 yards or so away from the Corporeal tank. Going too far is detrimental for 
reasons that will be explained later on.
Your raid should designate "sides" of the room to ensure safe passage and 
avoid unnecessary  Dissonance damage. The Corporeal players will stay 
on one half of the room and vice versa. The raid should be split in half for 
Corporeal and Spirit groups.
 Dissonance damage. The Corporeal players will stay 
on one half of the room and vice versa. The raid should be split in half for 
Corporeal and Spirit groups.
Corporeal Group
 Tormented Cries is the most important mechanic for players in the 
Corporeal Realm on Normal difficulty and below. If you are targeted by this 
ability, you should make your way to the front edges of the room (closest 
to the Engine of Souls). This is to ensure the angle of the purple 
beam (and void zone left behind) is as slack as possible, ensuring it does 
not go across the entire room and restrict your real estate. It is very 
important to avoid standing in any previous Tormented Cries zones when 
being targeted as this will cause the initial damage to be tripled and 
likely result in death.
 Tormented Cries is the most important mechanic for players in the 
Corporeal Realm on Normal difficulty and below. If you are targeted by this 
ability, you should make your way to the front edges of the room (closest 
to the Engine of Souls). This is to ensure the angle of the purple 
beam (and void zone left behind) is as slack as possible, ensuring it does 
not go across the entire room and restrict your real estate. It is very 
important to avoid standing in any previous Tormented Cries zones when 
being targeted as this will cause the initial damage to be tripled and 
likely result in death.
On Heroic difficulty,  Spear of Anguish is another very notable 
mechanic for the Corporeal group to deal with. When targeted by this ability 
you should get to the edges of the room on your side. After several seconds 
you will be struck and knocked back as well as being placed in the Spirit 
Realm. This ability deals damage to any nearby players so it is the 
responsibility of the target to quickly escape the group, and for any ill 
positioned players to avoid them as they move out. The player(s) hit will 
also have a moderate healing absorb that must be removed before they will 
be able to interact with the Spiritual Fonts and return to the Corporeal 
group.
 Spear of Anguish is another very notable 
mechanic for the Corporeal group to deal with. When targeted by this ability 
you should get to the edges of the room on your side. After several seconds 
you will be struck and knocked back as well as being placed in the Spirit 
Realm. This ability deals damage to any nearby players so it is the 
responsibility of the target to quickly escape the group, and for any ill 
positioned players to avoid them as they move out. The player(s) hit will 
also have a moderate healing absorb that must be removed before they will 
be able to interact with the Spiritual Fonts and return to the Corporeal 
group.
The Reanimated Templar's  Rupturing Slam should be avoided 
at all costs. The Corporeal group should remain at least 8 yards spread due 
to the potential damage from the Ghastly Bonewardens'
 Rupturing Slam should be avoided 
at all costs. The Corporeal group should remain at least 8 yards spread due 
to the potential damage from the Ghastly Bonewardens' 
 Grasping Darkness. Once these adds reach 50% health, they will gain
 Grasping Darkness. Once these adds reach 50% health, they will gain 
 Bonecage Armor, which must be dealt with by the Spirit group.
 Bonecage Armor, which must be dealt with by the Spirit group.
The only other damage directed at the Corporeal group is incidental. 
 Collapsing Fissures will spawn at random, restricting movement 
somewhat. The tank will also be constantly taking damage from the adds 
and the Engine of Souls'
 Collapsing Fissures will spawn at random, restricting movement 
somewhat. The tank will also be constantly taking damage from the adds 
and the Engine of Souls'  Bone Shards.
 Bone Shards.
Spirit Group
Start the encounter next to a Spiritual Font in order to immediately 
enter the Spirit Realm and prevent any casts of  Quietus. 
An interrupt order should be established for
 Quietus. 
An interrupt order should be established for  Crush Mind, as 
it presents a significant threat if allowed to go off. Any players 
linked by
 Crush Mind, as 
it presents a significant threat if allowed to go off. Any players 
linked by  Soulbind should immediately collapse on their 
linked player in the opposite realm to break the tether.
 Soulbind should immediately collapse on their 
linked player in the opposite realm to break the tether.
On Normal difficulty a rotation of players in unnecessary, however, on 
Heroic and higher it may be necessary to swap players from the Corporeal and 
Spirit Realms as the fight progresses. Players who receive the 
 Wither debuff should avoid being in the Spirit Realm during casts 
of
 Wither debuff should avoid being in the Spirit Realm during casts 
of  Wailing Souls unless they are prevented from exiting by
 Wailing Souls unless they are prevented from exiting by 
 Spirit Chains.
 Spirit Chains.
If targeted by  Shattering Scream, the player should run to the 
Corporeal tank so that the explosion from the debuff at 5 stacks will hit 
the Reanimated Templar and Ghastly Bonewardens. This is 
imperative as the Corporeal adds will likely be affected by
 Shattering Scream, the player should run to the 
Corporeal tank so that the explosion from the debuff at 5 stacks will hit 
the Reanimated Templar and Ghastly Bonewardens. This is 
imperative as the Corporeal adds will likely be affected by 
 Bonecage Armor, preventing them from dying unless they are hit 
by
 Bonecage Armor, preventing them from dying unless they are hit 
by  Shattering Scream to break the armor. Note that movement speed 
is continuously reduced by this debuff so early movement is important. This 
debuff is the main reason why the Spirit tank will want to stay relatively 
close to the Engine of Souls without triggering
 Shattering Scream to break the armor. Note that movement speed 
is continuously reduced by this debuff so early movement is important. This 
debuff is the main reason why the Spirit tank will want to stay relatively 
close to the Engine of Souls without triggering  Dissonance 
on the Corporeal group.
 Dissonance 
on the Corporeal group.
Soul Residues are largely inconsequential. They can be cleaved down at the raid's pace. Simply do not stand in the puddles they leave behind as they move and avoid being within 5 yards when they perish and they present minimal risk.
The Desolate Host
When The Desolate Host spawns at 30% the raid must be very 
careful.  Sundering Doom and
 Sundering Doom and  Doomed Sundering are both lethal 
if dealt with incorrectly, and due to their similar nomenclature, can be 
confusing for some groups. If the Desolate Host casts Sundering Doom, 
the Corporeal group should stack on the Host while the Spirit Group moves 
as far as possible. If the Desolate Host casts Doomed Sundering, the Spirit 
Group must stack on the Host while the Corporeal groups moves as far as 
possible. Failure to execute will result in guaranteed deaths.
 Doomed Sundering are both lethal 
if dealt with incorrectly, and due to their similar nomenclature, can be 
confusing for some groups. If the Desolate Host casts Sundering Doom, 
the Corporeal group should stack on the Host while the Spirit Group moves 
as far as possible. If the Desolate Host casts Doomed Sundering, the Spirit 
Group must stack on the Host while the Corporeal groups moves as far as 
possible. Failure to execute will result in guaranteed deaths.
During this phase the raid should burn the boss as fast as possible 
before The Desolate Host's  Torment buff stacks too high for 
the raid to handle.
 Torment buff stacks too high for 
the raid to handle.
So far, the final phase of the fight on Heroic and higher has remained unclear. It is not known whether actually killing The Desolate Host is necessary, or if it merely must be survived. Once the raid is released this section will contain further details on this final phase of the encounter.
Tank Concerns
The tanks have a fairly straightforward role on this encounter.
- Ensure  Shattering Scream strikes the Corporeal adds when they 
are affected by Shattering Scream strikes the Corporeal adds when they 
are affected by Bonecage Armor. Bonecage Armor.
- Swap realms with the Corporeal tank (if necessary) during casts of 
 Wailing Souls if Wailing Souls if Crush Mind is not interrupted and begins 
to stack to fatal levels. Crush Mind is not interrupted and begins 
to stack to fatal levels.
Healing Concerns
There is plenty of damage for the healers to handle, and much of it comes in large and spooky bursts.
- Plan cooldowns for casts of  Wailing Souls in the Spirit Realm. Wailing Souls in the Spirit Realm.
- Players targeted with  Tormented Cries and Tormented Cries and Spear of Anguish 
will require surgical healing. Spear of Anguish 
will require surgical healing.
- Healing cooldowns are a necessity during each cast of  Sundering Doom 
and Sundering Doom 
and Doomed Sundering. Doomed Sundering.
Raid Concerns
- If targeted by  Tormented Cries, get to the edge of the room. Tormented Cries, get to the edge of the room.
- If targeted by  Spear of Anguish, get to the edge of the room. Spear of Anguish, get to the edge of the room.
- If tethered by  Soulbind, immediately move to your partner in 
the opposing realm. Soulbind, immediately move to your partner in 
the opposing realm.
- Keep an even spread in the Corporeal Realm and avoid standing near players of the opposing realm.
- Be conscious of  Rupturing Slam as it deals heavy damage and knocks 
back anyone hit. Rupturing Slam as it deals heavy damage and knocks 
back anyone hit.
Bloodlust/Heroism/Time Warp
It is recommended to use  Bloodlust when the boss reaches 30% health, 
as The Desolate Host will spawn. This forces as desperate race to the 
fight's conclusion as
 Bloodlust when the boss reaches 30% health, 
as The Desolate Host will spawn. This forces as desperate race to the 
fight's conclusion as  Torment will quickly stack to unhealable levels 
and force a raid wipe.
 Torment will quickly stack to unhealable levels 
and force a raid wipe.
Changelog
- 07 Jun. 2017: Guide added.
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