Batgirl (Volume 3) Issue 6

"Core Requirements: Part Two"
Stephanie Brown finds herself teamed up with Damian Wayne! The new Batgirl and the new Robin must enter an area of Gotham City known to Gothamites as Devil's Square, but to the residents, it's called "Thunderdome"! Their mission: to save innocent civilians from being used in a real-life game of life and death!

Individuals

 * Batgirl
 * Oracle
 * James Gordon
 * Francisco Garcia
 * Alfred Pennyworth
 * Nick Gage
 * Jordanna Spence
 * Roulette
 * Roxy Rocket
 * Riot
 * Doctor Phosphorus
 * Batman
 * Robin
 * Crystal Brown

Locations

 * Gotham City