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The nature of Gotham Girl and her brother's powers have been an ongoing mystery in Batman. 1 / 9

Batman #81 answers where those powers came from - and who granted them. 2 / 9

Their powers come from a derivative of Venom - which was supplied to them by Bane. 3 / 9

Batman only discovered Bane's involvement after first defeating him in Batman #13 4 / 9

Of course, Bane is the DC Universe's most notorious Venom addict. 5 / 9

The rare form of Venom gives Gotham Girl metahuman-level powers. 6 / 9

Is it her powers that are killing her, though, or her withdrawal from the Venom? 7 / 9

And if more can be found, could it actually end up saving her? 8 / 9