Konami have announced that the Blade Wolf DLC pack will expand Platinum Games and Kojima Productions Metal Gear Rising: Revengeance on May 14. The DLC pack will set you back 560 MS points or €6.99 (or equivalent) on PSN. The pack offers up several new abilities, a new boss fight and several hours worth of gameplay.
"Reactivated by Desperado Enforcement's leader Sundowner and serving under Mistral, the DLC reveals LQ-84i's story prior to his battle and eventual partnership with Raiden, and his transformation into Blade Wolf. Players can battle countless enemies using an arsenal of weapons and abilities, culminating in an all-new boss battle."