Head to the Hawke Estate and accept this quest from the Writing Desk. Speak with Aveline in the barracks to view a scene. After the scene take Aveline to the Docks at night. In the Eastern Warehouse District you will find Guardsman Donnic being attack by some Coterie Thugs. Help him defeat them then visit Knight-Captain Cullen at the Gallows. After talking to Cullen head to Lowtown at night and intercept Guardsman Brennan to gain information on Jeven.

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Save Donnic (left) and after a short trail of information you’ll track down Jeven (right).

Head to Darktown at night and make your way to the southern part of the area. In the talks with Jeven, choosing anything other than letting Aveline speak will result in Rivalry with her. Pick off Jeven first and loot his corpse for Cornerstone and Deflecting Joints - Guradsman Pattern . The chest holds the Hands of Glory , grab it and return to the barracks to complete the quest.