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Nightmare Horror

This NPC can be found in The Emerald Nightmare .

Encounter Journal

Heroic		Mythic
Deadly		Important
Tank		DPS
Healer		Interruptible
Magic		Curse
Poison		Disease
Enrage

Overview – Players begin the encounter fighting against Il'gynoth's erupting eyestalks and tentacles, while the monstrous Eye bars the way to the heart of the tree. Defeating these tentacles spawns animated Nightmare Ichor globules, which players can destroy near the Eye to damage it.
Once the Eye is defeated, players can enter the hollow to damage Il'gynoth directly for a time, after which the Eye reforms to seal the entrance to the hollow once more, killing any players who remain inside. This repeats until players defeat Il'gynoth.
- Tanks –
  Dominator Tentacles' [Nightmarish Fury] and Nightmare Horrors' [Eye of Fate] deal heavy damage.
  Nightmare Horrors create pools of [Nightmare Corruption] - move them to minimize the damage dealt.
  Avoid players targeted by [Ground Slam].
- Healers –
  Dominator Tentacles' [Nightmarish Fury] and Nightmare Horrors' [Eye of Fate] deal heavy damage to Tanks.
  Dispel [Touch of Corruption].
  Lure Nightmare Ichors that are fixated on you to the Eye of Il'gynoth when they are low on health.
  Move away from the raid when affected by [Spew Corruption].
- Damage Dealers –
  Move away from the raid when affected by [Spew Corruption].
  Interrupt Deathglare Tentacles' [Mind Flay].
  Lure Nightmare Ichors that are fixated on you to the Eye of Il'gynoth when they are low on health, and wait to kill them until they are in range of the Eye.
  Avoid players targeted by [Ground Slam], and move away from other players when targeted by it.

Stage One: The Ruined Ground

Players engage creatures of nightmare while the Eye of Il'gynoth watches over them, directing the forces of corruption.

Nightmare Corruption – The forces of nightmare cover the ground with Nightmare Corruption, which inflicts 98 Shadow damage every 2 sec. to any players standing in it, as well as pacifying and silencing them.
Death Blossom – Creates a Death Blossom at a location. After 15 sec sec., it will detonate, inflicting 73 Shadow damage to any players standing on the blossom, and increasing their movement speed by 50% for 6 sec.
If no player is affected by the Death Blossom's detonation, it will explode over a large area, infecting all players with Dispersed Spores.
- Dispersed Spores – Inflicts 1649 Shadow damage to all players, and deals an additional 458 Shadow damage every 2 sec. for 50 sec.
The Eye of Il'gynoth
- Stuff of Nightmares – The Eye of Il'gynoth takes 99% reduced damage from all sources, excluding Nightmare Explosions, which deal full damage to it.
- Nightmare Gaze – Fixes a dark gaze on the target, inflicting 3006 Shadow damage to them.
Nightmare Ichor
- Fixate – Fixates on a target, attacking them to the exclusion of other targets.
- Touch of Corruption – Nightmare Ichor's melee attacks leave behind lingering corruption in the target, inflicting 916 Shadow damage every 2 sec for 40 sec.
  This effect stacks.
- Nightmare Explosion – When Nightmare Ichor are killed, they burst in an explosion of nightmare energy, inflicting 3299 Shadow damage to nearby players.
  This explosion will also damage the Eye of Il'gynoth, bypassing all damage reduction and inflicting 0% of the Eye's health as Shadow damage.
  On Mythic Difficulty, all players in the encounter also suffer 844 Shadow damage every 2 seconds for 4 sec.
  This effect stacks.
The Forces of Corruption
When killed, the forces of corruption will spawn Nightmare Ichor.
- Nightmare Horror
  - Eye of Fate – Inflicts 9253 Shadow damage in a line in front of the Nightmare Horror, and increases damage taken from Eye of Fate by 100% for 29 sec.
    This effect stacks.
    On Raid Finder difficulty, Eye of Fate only affects the Nightmare Horror's current target.
  - Seeping Corruption – While Nightmare Horrors are alive, they periodically create pools of Nightmare Corruption underneath them.
- Deathglare Tentacle
  - Mind Flay – Assault the target's mind with Shadow energy, inflicting 3711 Shadow damage every 2 sec. for 8 sec.
- Corruptor Tentacle
  - Spew Corruption – Corruptor Tentacles spew corruption onto nearby players, inflicting 2125 Shadow damage and causing them to create a pool of Nightmare Corruption every 2 sec. for 10 sec.
- Dominator Tentacle
  - Ground Slam – Slams the ground in the direction of a targeted player, inflicting 3741 Physical damage to all players in a line and knocking them back.
  - Nightmarish Fury – A relentless flurry of attacks on the tentacle's primary target every 0.8 sec. for 6 sec, each inflicting 6432 Physical damage.
    On Heroic difficulty and above, each time the Dominator Tentacle attacks a player with Nightmarish Fury, they will also permananently increase their Physical damage inflicted by 5%.
    This effect stacks.
  - Rupturing Roar – Roars loudly when not being melee attacked, inflicting 5566 Physical damage to all players.

Stage Two: The Heart of Corruption

When the Eye of Il'gynoth is destroyed, the chamber holding Il'gynoth's beating heart is revealed.

The Heart of Il'gynoth
- Dark Reconstitution – Il'gynoth gathers psychic energy, unleashing it to reseal his lair, killling all players who remain inside, and regrowing the Eye of Il'gynoth.
- Cursed Blood – Infects players' blood with nightmare energy, inflicting 865 Shadow damage every 2 sec. for 8 sec. When this effect ends, the player will detonate, inflicting 3958 Shadow damage to players within 11 yards.
- Reabsorption – If Nightmare Ichor enters the chamber with Il'gynoth's heart, it will be reabsorbed in a burst of nightmare corruption, inflicting 2967 Shadow damage to all players.
- Violent Bloodburst – Cursed blood pools around the Heart of Il'gynoth, creating growing pools of Shadow Corruption.
- Final Torpor – After growing tired of battle, Il'gynoth will gather the energies of the Nightmare to burn out the minds of any living thing in the area, instantly killing it.
Shriveled Eyestalk
- Mind Flay – Assault the target's mind with Shadow energy, inflicting 3711 Shadow damage every 2 sec. for 8 sec.

Guides

Glory of the Legion Raider Il'gynoth Raid Boss Strategy Guide

Nightmare Horror

Encounter Journal

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