Ending 20, known as "Last Ending" ahead of The Binding of Isaac: Repentance, is unlocked after defeating the manager Delirium, that's Isaac's representation with the "gentle at the end of the tunnel".[16] It builds on gatherings observed in Endings 12, fifteen, and 17, and displays Isaac recalling his Recollections in https://libertycapbindingofisaac94440.qodsblog.com/28612296/a-secret-weapon-for-liberty-cap-tboi