Heroic dungeons in TBC Classic unlock per-region, not account-wide: reach Honored with the faction tied to that dungeon hub, then buy its heroic key from that faction's quartermaster. You also need level 70. Five keys cover Outland — Hellfire Citadel, Coilfang Reservoir, Auchindoun, Caverns of Time and Tempest Keep — and each one is earned separately.
The five heroic keys and who sells them
| Dungeon hub | Faction | Key |
| Hellfire Citadel (Ramparts, Blood Furnace, Shattered Halls) | Honor Hold (Alliance) / Thrallmar (Horde) | Flamewrought Key |
| Coilfang Reservoir (Slave Pens, Underbog, Steamvault) | Cenarion Expedition | Reservoir Key |
| Auchindoun (Mana-Tombs, Auchenai Crypts, Sethekk Halls, Shadow Labyrinth) | Lower City | Auchenai Key |
| Caverns of Time (Old Hillsbrad, Black Morass) | Keepers of Time | Key of Time |
| Tempest Keep (Mechanar, Botanica, Arcatraz) | The Sha'tar | Warpforged Key |
How to unlock them, step by step
- Hit level 70. Heroic mode is level-70 content and nothing below that can zone in.
- Pick the hub you want first — most people start with Hellfire Citadel or Coilfang, since the reps come fast and the bosses are forgiving.
- Grind that faction to Honored (see below).
- Visit the faction's quartermaster and buy the key. It costs a token amount of gold, not a fortune.
- At the instance portal, right-click your portrait and set the dungeon difficulty to Heroic before you zone in.
What's the fastest way to reach Honored?
Run that faction's own normal dungeons at 70. Every trash pull and boss inside a hub's instances feeds the matching reputation, so a couple of full clears plus the quests in the surrounding zone usually carries you from neutral to Honored.
Turn-ins accelerate it. Cenarion Expedition takes Unidentified Plant Parts and Coilfang Armaments, Lower City takes Arakkoa Feathers, and Honor Hold/Thrallmar take the marks that drop off Legion demons in Hellfire. Bank those while you level — it saves hours later.
Does everyone in the group need the key?
The party leader needs the right key to flip the dungeon to Heroic at the portal. Get your own regardless: without it you can't lead, can't reset, and can't set the run up when the usual leader logs off.
Is Magisters' Terrace heroic behind a key too?
No. Magisters' Terrace arrived later in the expansion and doesn't sit behind one of the five Outland reputation keys — you set it to Heroic and go. It hits noticeably harder than the classic 5-mans, so bring a group that knows the Kael'thas fight.
Are heroics actually worth farming?
Yes, for two reasons. Every heroic boss drops Badges of Justice, and the vendor gear those buy is the cleanest pre-raid upgrade path in the game. Heroics also drop epics and a handful of iconic mounts and patterns, and the daily heroic quest pays gold on top.
Short on time?
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