In TBC Classic, the instances by level, which is the breakdown of each dungeon and their corresponding level range. Some dungeons in TBC Classic require you to complete the previous quest chain, then you can enter them. In completing your Karazhan attunement, other dungeons are also essential.

TBC Instance by level 

Hellfire Citadel Dungeons

Hellfire Citadel: Hellfire Ramparts: 60-62

Hellfire Citadel: The Blood Furnace: 61-63

Hellfire Citadel: The Shattered Halls: 69-70

Zangarmarsh Dungeons

Coilfang Reservoir: The Slave Pens: 62-64

Coilfang Reservoir: The Underbog: 63-65

Coilfang Reservoir: The Steamvault: 68-70

Terokkar Forest Dungeons

Auchindoun: Mana-Tombs: 64-66

Auchindoun: Auchenai Crypts: 65-67

Auchindoun: Sethekk Halls: 67-69

Auchindoun: Shadow Labyrinth: 69-70

Tempest Keep Dungeons

Tempest Keep: The Botanica: 70

Tempest Keep: The Mechanar: 70

Tempest Keep: The Arcatraz: 70

Azeroth Dungeons

Caverns of Time: Old Hillsbrad Foothills: 66-68

Caverns of Time: The Black Morass: 70

In addition, Magisters’ Terrace is another level 70 dungeon, but until the final stage of the TBC Classic, Phase 5 when the Isle of Quel’danas was released.

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