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Batman Arkham City Harley Quinn's Revenge walkthrough with commentary Part 1. Robin (Tim Drake) investigates the ruins of Arkham City in his search to locate Batman. This is Chapter 1 Lost Property of the Story DLC.

Batman Akrham City Walkthrough & DLC maps - http://www.youtube.com/playlist?list=PLA240D900F373A51F&feature=plcp

Harley Quinn's Revenge Walkthrough Part 2 - http://www.youtube.com/watch?v=O3-zdGTRNwg

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