Hears a little fact when joker descoved he had cancer he decided he would go to a lazarus pit to cure him self ( found by riddler when he had cancer and hush ) . When you enter a lazarus pit you will emigre insane for a fue minuets this always happens to ra’s al ghul, however when the joker emerged he became perfectly sane for a fue minuets ( this just proves how far from sane joker is )

Hears a little fact when joker descoved he had cancer he decided he would go to a lazarus pit to cure him self ( found by riddler when he had cancer and hush ) . When you enter a lazarus pit you will emigre insane for a fue minuets this always happens to ra’s al ghul, however when the joker emerged he became perfectly sane for a fue minuets ( this just proves how far from sane joker is )