When Does Karazhan Reset in WoW TBC?

Karazhan resets every 7 days on the standard weekly raid reset — Tuesday morning on US realms and Wednesday morning on EU realms. Your raid ID is locked to your character the moment your group downs the first boss, and it clears at the next weekly reset. There is no way to re-run Karazhan sooner: one full clear per character per week, same as Gruul's Lair and Magtheridon.

Karazhan lockout: quick facts

Practical takeaway: if your guild raids Sunday and Tuesday on a US realm, both nights fall into the same lockout — you continue the same instance. A Monday-plus-Wednesday schedule on a US realm splits into two different weeks, so any bosses left alive Monday night are gone for good when the reset hits.

How do I check when my Karazhan lockout expires?

Type /raidinfo in chat. The window lists every instance you are saved to, the raid ID, and the time remaining until it clears. The moment the counter hits zero, that ID is gone and you can start a fresh Karazhan with a new group. Alternatively, open your calendar or the Raid tab in the social panel — the same lockout info appears there.

One nuance: the countdown runs until the weekly reset, not seven days from your kill. If you clear on the last night before reset, you get a fresh Karazhan almost immediately.

Can I run Karazhan twice in one week in TBC Classic?

Not on the same character. Once you kill any boss you are saved for the rest of the week, even if you only stayed for one pull. You can, however, join a group that already has a saved ID as long as the bosses you still need are alive in their instance — the game only asks you to confirm before it binds you to their raid ID.

The workaround players use is alts. Every character you own has its own lockout, so a second Karazhan-ready character means a second badge and gear run per week.

Do I still need the Master's Key to enter Karazhan?

At launch, every raider needed the Master's Key, earned through the attunement chain (the Shadow Labyrinth, Steamvault and Arcatraz fragments, then the Black Morass escort). Later in the expansion the requirement was relaxed so a single keyholder can open the door for the group. Even so, having your own key means you never wait outside for someone else to arrive — worth doing if you plan to pug.

What time exactly does the reset happen?

Blizzard ties the weekly reset to a fixed morning hour per region, not to midnight. On US realms it lands Tuesday morning; on EU realms Wednesday morning. Because daylight-saving changes shift the local clock, the most reliable answer is always the /raidinfo timer rather than a memorised hour.

If you would rather have a vetted human player help — a coached Karazhan progression run or a play-together clear where a pro fills the gaps in your roster — PewPewShop offers a Karazhan raid clear from EUR 428.99 and attunement help from EUR 44, all by long-standing players with a zero-ban record. Most people asking this question only need /raidinfo and a good calendar, though.