3 Gotham Knights » by CrimsonWords Five Alchemist have committed the forbidden taboo. Bruce Wayne, Oswald Cobblepot, Edward Nygma, Ivy Pepper, and Johnathan Crane have paid the toll to bring back the ones they love but failed. Instead of being convicted, Amanda Waller places them in a special organization called Gotham Knights. Their mission is to stop Hugo Stange from building an army of Homunculi.