Source of Power
Collect 6 Cracked Sentry Cores from the constructs inside the city.
Collect 6 Cracked Sentry Cores from the constructs inside the city.


Horde: Doctor Martin Felben in Undercity (46.6, 74.3).
Horde: Doctor Martin Felben in Undercity (46.6, 74.3).
Unstable Power Core, Construct Cloak, 9,400 XP.
Source of Power is a level 33 quest; you can pick it up from level 24. It takes you into City of Dalaran.
All City of Dalaran quests on one map ·City of Dalaran dungeon guide
Sources: Quest data from ForeverDB.net · ForeverDB: City of Dalaran · ForeverDB: An Alarming Request · ForeverDB: Prison Break In · ForeverDB: Key to the City · ForeverDB: Dalaran Patrols · ForeverDB: Heart of Disruption · ForeverDB: Friend of the Kirin Tor · ForeverDB: Starving Arcane · ForeverDB: Power Overwhelming · ForeverDB: The Grave Knight · ForeverDB: Source of Power · ForeverDB: Opportunistic Education · Warcraft Wiki: City of Dalaran · Warcraft Wiki: Blood in the Streets · Warcraft Wiki: Heart of Disruption (Horde) · Warcraft Wiki: Shrewd Negotiations · Warcraft Wiki: A Green Sample · Warcraft Wiki: Rexxie Copperclutch