Batman: Arkham City is about to get way way more awesome. Rocksteady has announced a Nightwing DLC set for release on November 1st. The pack will include two new challenge maps, Wayne Manor and Main Hall. The pack also includes Nightwing's regular costume and an Animated series Nightwing skin. The downloadable pack will cost you about $7.00 in total. Have fun guys and feel free to give us your opinions on the announcement.