Azure and the other Claw Shansheeth were working with Colonel Tia Karim of UNIT to fake the death of the Eleventh Doctor in order to steal the Doctor's TARDIS and use it to end death. (TV: Death of the Doctor)
He wore purple and was distinguished by the colour of the three blue gems worn on his forehead. His Brothers of the Wing appeared to defer to his leadership.
At the remembrance gathering, it played the Cradle, a harp that was also a projecting surveillance device, a hypnotic memory device and a detector for the memory weave that could gauge the strength of memories. He first noticed Clyde eavesdropping and snarled at him before ordering the others to give chase.
He was duplicitous, showing sympathy to the associates of the Doctor who came to mourn, but showing little concern that the memory weave would cause the death of Sarah Jane Smith and Jo Jones. He was pleased by sorrowful memories but disliked weeping. He had a tendency to make sarcastic jokes about the funerals of people he intended to kill. (TV: Death of the Doctor)