Ending 20, named "Closing Ending" just before The Binding of Isaac: Repentance, is unlocked soon after defeating the boss Delirium, who's Isaac's representation in the "light-weight at the conclusion of the tunnel".[sixteen] It builds on events found in Endings 12, 15, and 17, and shows Isaac recalling his Reminiscences in https://libertycapisaac53073.acidblog.net/59684567/5-essential-elements-for-tboi-liberty-cap