When you accept the quest, make sure you are not mounted. I was, got a dumb error message and have had a pain trying to do it now because of the problems this caused.
Not mounted!
Quest
To The Master's Lair
A World of Warcraft quest in Old Hillsbrad Foothills. Facts and objectives from the current retail game data.
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
This quest chain is required to be able to do the caverns of time instance/events. You can't do the first one (Thralls Escape) without doing this quest. The second one, The Opening of the Dark Portal, cannot be done without doing the Thrall event. So in other words, you have to do this chain to even visit the CoT instances. :(
At level 60, you can't even see the greyed out exclemation point above the quest-giver.
If you screw up and forget to dismount, just abandon the quest and get it again.
Quest facts
The client quest POI data records no map location for this quest, so no map is shown.
Check whether you have already completed this quest
in-game: /run print(C_QuestLog.IsQuestFlaggedCompleted(10279))
Description
Ah, {name}. We have been expecting you. Please, allow one of my brothers to fly you down to the master. He awaits you below...
Community notes from Wowhead · 21 comments
Top 3 shown aboveThe comments below were written by Wowhead users. They are community notes, not TheWoWDB comments. See them in context on Wowhead.
The top 3 are shown in Top Comments above. Read all 21 on Wowhead.
Reward details
Reputation: Keepers of Time +10
The Keepers of Time are bronze dragons hand-picked by Nozdormu to watch over the Caverns of Time.
Reputation group: The Burning Crusade.
Other quests in Old Hillsbrad Foothills that reward Keepers of Time reputation: The Caverns of Time (+250), Old Hillsbrad (+10), WANTED: The Epoch Hunter's Head (+350), Taretha's Diversion (+1,000), Escape from Durnholde (+1,000).
Item facts are the current retail client’s (ItemSparse); the specialisations for a pick-one item are the ones the Blizzard quest API lists; faction and currency text is the client’s own. Lowest listed price = the US commodity auction house now.