Now that it is official, the details are coming in about the final piece of Batman: Arkham City DLC entitled Harley Quinn’s Revenge.

The content will take around 2 hours to complete and both Batman and Robin will be playable characters. In order to shut down the prison and put an end to Harley and her new gang, both heroes will have to use their specific investigation and combat skills.

The DLC available May 30th will also be available on the Batman: Arkham City GOTY the year edition which will retail for $49.99.