Gates of Elysium

The Gates of Elysium was a location where the Tenth Doctor believed Davros had been killed when his command ship flew into the jaws of the Nightmare Child. This was during the first year of the Last Great Time War. The Doctor attempted to save Davros but failed. It was revealed however that Dalek Caan had actually saved the Kaled, at the cost of his own sanity. (TV: The Stolen Earth)