Dalek (Hell Bent)
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A Dalek attempted to gain access to the Matrix hidden underneath the Capitol on Gallifrey during the Cloister Wars. It was attacked by the Cloisters where it became a part of the Matrix hard drive, being "filed". It was encountered by the Twelfth Doctor and Clara Oswald whilst they travelled through the Cloisters, where it asked to be exterminated. (TV: Hell Bent)
