Mehrunes' Razor (DLC9) is the fifth official plug-in for The Elder Scrolls IV: Oblivion from Bethesda Softworks. It features a quest for a Daedric artifact known as the Mehrunes' Razor from the lost Ayleid city of Varsa Baalim. It was released for both the PC and the Xbox 360 on June 16, 2006. It requires the v1.1.511 patch to work.