Paradost

From Tardis Wiki, the free Doctor Who reference

Paradost was a planet that was also a museum. The inhabitants could access buried memories and store them using mnemonic crystals. Sato Katsura, in the guise of Cardinal Morningstar of the Church of the Glorious Dead, tried to destroy the planet. However, he was stopped by Izzy Sinclair. (COMIC: The Glorious Dead)