Clive Breakspear is a Shadowhunter, and the head of the Buenos Aires Institute until his arrest in 2012.


After the Buenos Aires Institute was destroyed by the Endarkened during the Dark War, Clive, backed by Horace Dearborn, arrived in Buenos Aires and took over the Institute. Under his leadership, he and the Shadowhunters of the Institute worked as mercenaries for hire, causing most of the disillusioned Shadowhunters to leave for other Institutes and moving the Downworld society of Buenos Aires further away from them.

Some time later, some of the Institute's Shadowhunters who had become loyal to Breakspear began working for a local warlock by helping kidnap female werewolves for him. In 2012, Alec Lightwood learned about the disappearances and what the Shadowhunters were doing under him. Alec, the Queen of the local Shadow Market, Lily Chen, Jem Carstairs, Tessa Gray, and some local Shadowhunters exposed the corruption and criminality of his administration, resulting in his removal from position. He was replaced by Joaquín Acosta Romero, one of the few Buenos Aires Shadowhunters who did not agree with Clive and had helped Alec to stop him, and Breakspear was sent to face trial for his actions.


Clive is a serious and cruel man, corrupt and closed-minded, who shows open contempt for the Downworld and a brutal lack of compassion towards anyone. He was very authoritarian with the Shadowhunters of his Institute, to the point that those who did not agree with him fled or hid their opinion for fear of reprisals.

Physical description

Clive is described as a man in his forties, with light hair that has begun to gray.

Skills and abilities

  • Nephilim physiology: Being Nephilim, Clive possessed a variety of enhanced physical and mental abilities granted to him by the blood of Raziel in his veins and also by the angelic Marks of the Gray Book, as well as the power to perform tasks unavailable to other species, such as using seraph blades. This includes enhanced strength, agility, stamina, and coordination, which only improved over time and practice.
  • Runic magic: Due to the Angel Raziel's blood in their veins, all Shadowhunters are able to apply runes on their skin without any real danger. These Marks, in turn, give varied effects that serve to benefit the wearer.



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