Bay area thrashers Slayer have been confirmed as one of the acts taking part in I'll Be Your Mirror 2012, an All Tomorrow's Parties Event scheduled for May 25th to the 27th at Alexandria Palace in London.  The band will perform its classic album "Reign In Blood" in its entirety at the event, which will also mark the return of Afghan Whigs after a 13 year hiatus.  The festival will also include performances from the Melvins, Mudhoney, Sleep, Codeine, and many more.  Check out the lineup for the three-day festival below.

I'll Be Your Mirror 2012 London Lineup

May 25: Slayer, Sleep, the Melvins, Wolves in the Throne Room, Yob

May 26 : Mogwai, the Dirty Three, Codeine, Mudhoney Chavez, Floor

May 27: The Afghan Whigs, Archers of Loaf, Yuck, Demdike Stare, Siskiyou