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Infinite Research: Cathedral of Eternal Night, Heroic

Category: Meta Quests

A team of timerunners, armed with potent artifacts, can overcome many threats. Let us see whether you can handle this incarnation of Cathedral of Eternal Night.

Details

Quest ID	89518
Last synced	Aug 21, 2026, 5:20 AM

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Questline: Infinite Research

Quest #89476
Quest #91847
Quest #91848
Quest #91849
Call for Participants
Awoken by Accessory
Quest #91612
Embracing the Infinite Chaos
Infinite Research: Assault on Violet Hold, Heroic
Infinite Research: Assault on Violet Hold, Mythic
Infinite Research: Assault on Violet Hold, Normal
Infinite Research: Black Rook Hold, Heroic
Infinite Research: Black Rook Hold, Mythic
Infinite Research: Black Rook Hold, Normal
Infinite Research: Cathedral of Eternal Night, Heroic
Infinite Research: Cathedral of Eternal Night, Mythic
Infinite Research: Cathedral of Eternal Night, Normal
Infinite Research: Court of Stars, Heroic
Infinite Research: Court of Stars, Mythic
Infinite Research: Court of Stars, Normal
Infinite Research: Darkheart Thicket, Heroic
Infinite Research: Darkheart Thicket, Mythic
Infinite Research: Darkheart Thicket, Normal
Infinite Research: Eye of Azshara, Heroic
Infinite Research: Eye of Azshara, Mythic
Infinite Research: Eye of Azshara, Normal
Infinite Research: Halls of Valor, Heroic
Infinite Research: Halls of Valor, Mythic
Infinite Research: Halls of Valor, Normal
Infinite Research: Timeworn Keystone Dungeon
Infinite Research: Dungeoneers Wanted, Heroic
Infinite Research: Dungeoneers Wanted, Normal
Infinite Research: Lower Return to Karazhan, Heroic
Infinite Research: Lower Return to Karazhan, Mythic
Infinite Research: Lower Return to Karazhan, Normal
Infinite Research: Maw of Souls, Heroic
Infinite Research: Maw of Souls, Mythic
Infinite Research: Maw of Souls, Normal
Infinite Research: Neltharion's Lair, Heroic
Infinite Research: Neltharion's Lair, Mythic
Infinite Research: Neltharion's Lair, Normal
Infinite Research: Seat of the Triumvirate, Heroic
Infinite Research: Seat of the Triumvirate, Mythic
Infinite Research: Seat of the Triumvirate, Normal
Infinite Research: The Arcway, Heroic
Infinite Research: The Arcway, Mythic
Infinite Research: The Arcway, Normal
Infinite Research: Upper Return to Karazhan, Heroic
Infinite Research: Upper Return to Karazhan, Mythic
Infinite Research: Upper Return to Karazhan, Normal
Infinite Research: Vault of the Wardens, Heroic
Infinite Research: Vault of the Wardens, Mythic
Infinite Research: Vault of the Wardens, Normal
Infinite Research: Combat Studies, Comprehensive
Infinite Research: Advanced Combat Studies, Comprehensive
Infinite Research: Advanced Combat Studies, Empowerment
Infinite Research: Combat Studies, Demonology
Infinite Research: Advanced Combat Studies, Demonology
Infinite Research: Combat Studies, Elite
Infinite Research: Advanced Combat Studies, Elite
Infinite Research: Combat Studies, Rare Elites
Infinite Research: Advanced Combat Studies, Rare Elites
Infinite Research: Combat Studies, Rare
Infinite Research: Advanced Combat Studies, Rare
Infinite Research: Terrors of the Broken Isles
Infinite Research: Heroic Terrors of the Broken Isles
Infinite Research: Self Improvement, Basic
Infinite Research: Self Improvement, Advanced
Infinite Research: Artifact Collector
Infinite Research: Clear the Skies
Infinite Research: Gather Timewarped Samples
Infinite Research: Greater Invasion Points
Infinite Research: Heroic Greater Invasion Points
Infinite Research: Champion of the Order Hall
Infinite Research: No Task Too Small
Infinite Research: Hero of the Broken Isles
Infinite Research: Invasion Points
Infinite Research: Heroic Invasion Points
Infinite Research: Worldly Deeds
Infinite Research: Heroic Worldly Deeds
Infinite Research: Champion of the Broken Isles
Infinite Research: Antorus, the Burning Throne, Heroic
Infinite Research: The Emerald Nightmare, Heroic
Infinite Research: Nighthold, Heroic
Infinite Research: Tomb of Sargeras, Heroic
Infinite Research: Trial of Valor, Heroic
Infinite Research: Time to Raid, Light's Breach
Infinite Research: Time to Raid, Forbidden Descent
Infinite Research: Time to Raid, Hope's End
Infinite Research: Time to Raid, Seat of the Pantheon
Infinite Research: Time to Raid, Darkbough
Infinite Research: Time to Raid, Tormented Guardians
Infinite Research: Time to Raid, Rift of Aln
Infinite Research: Time to Raid, Arcing Aqueducts
Infinite Research: Time to Raid, Royal Athenaeum
Infinite Research: Time to Raid, Nightspire
Infinite Research: Time to Raid, Betrayer's Rise
Infinite Research: Time to Raid, The Gates of Hell
Infinite Research: Time to Raid, Wailing Halls
Infinite Research: Time to Raid, Chamber of the Avatar
Infinite Research: Time to Raid, Deceiver's Fall
Infinite Research: Time to Raid, Trial of Valor
Infinite Research: Antorus, the Burning Throne, Mythic
Infinite Research: The Emerald Nightmare, Mythic
Infinite Research: The Nighthold, Mythic
Infinite Research: Tomb of Sargeras, Mythic
Infinite Research: Trial of Valor, Mythic
Infinite Research: Antorus, the Burning Throne, Normal
Infinite Research: The Emerald Nightmare, Normal
Infinite Research: Nighthold, Normal
Infinite Research: Tomb of Sargeras, Normal
Infinite Research: Trial of Valor, Normal

Raw Blizzard Data

{
  "_links": {
    "self": {
      "href": "https://us.api.blizzard.com/data/wow/quest/89518?namespace=static-12.1.0_68914-us"
    }
  },
  "id": 89518,
  "title": "Infinite Research: Cathedral of Eternal Night, Heroic",
  "category": {
    "key": {
      "href": "https://us.api.blizzard.com/data/wow/quest/category/645?namespace=static-12.1.0_68914-us"
    },
    "name": "Meta Quests",
    "id": 645
  },
  "description": "A team of timerunners, armed with potent artifacts, can overcome many threats.\n\nLet us see whether you can handle this incarnation of Cathedral of Eternal Night.",
  "requirements": {
    "min_character_level": 10,
    "max_character_level": 90
  },
  "rewards": {
    "experience": 19050,
    "money": {
      "value": 280900,
      "units": {
        "gold": 28,
        "silver": 9,
        "copper": 0
      }
    }
  },
  "is_daily": true
}

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