•  Overview - At health percentages, Za'qul assaults the players' minds, pulling them deeper into realms of insanity. While players are in these insanity realms, they continually gain stacks of  Hysteria. The further they dive into these realms, the faster it stacks. Each realm employs its own method of assaulting players' minds. Within the Fear Realm, players continually spawn Horrific Visions from  Manifest Nightmares. Within the Delirium Realm, everyone becomes hostile but has their haste increased. After all realms have opened, Za'qul gains empowered versions of his abilities that allow the players to move between realms in order to combat his mechanics. |
| | • [NO DIFFICULTY]  Damage Dealers - Defeat Horrific Summoners before the raid becomes overwhelmed. Defeat Horrific Visions before they transform into Unleashed Nightmares. Focus damage on Za'qul's echoes while he is casting  Psychotic Split to trigger  Mind Fracture. $bullet:Don't stop moving when affected by Manifest Nightmares to avoid  Nightmare Pool. |
| | •  Healers - Dispel allies effected by  Dread and  Manic Dread. Don't stop moving when affected by Manifest Nightmares to avoid Nightmare Pool. |
| | •  Tanks - Use damage reduction cooldowns when under the effect of  Mind Tether. Move the boss into  Maddening Eruption to prevent the raid from taking damage. Don't stop moving when affected by Manifest Nightmares to avoid Nightmare Pool. |
| • Stage One: The Harbinger |
| | | • Horrific Summoner - Summoned during the encounter by Za'qul. |
| | | | | • Horrific Vision - Periodically emerge from Dark Tears as long as they remain open. |
| | | | | | | • [NO DIFFICULTY] Unleashed Nightmare - Forms from a Horrific Vision that has been alive too long. |
| • Stage Two: Grip of Fear - Za'qul pulls players into the Fear Realm at 85% health. |
| • Stage Three: Delirium's Descent - Za'qul begins pulling players into the Delirium Realm at 70% health. |
| • Stage Four: All Pathways Open - When Za'qul reaches 60% health, Thalyssra returns players to reality. |
| | • [NO DIFFICULTY] First Arcanist Thalyssra - Pulls everyone back to reality to prevent them from succumbing to Za'qul's madness. |
| | | • [NO DIFFICULTY] Echo of Fear - Summoned during Psychotic Split and resides within the Fear Realm. |
| | | • [NO DIFFICULTY] Echo of Delirium - Summoned during Psychotic Split and resides within the Delirium Realm. |
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