Complex sentence: Knocking the Outsider out, Batman puts him on a machine which bombards him with radiation once more which restores Alfred back to normal and in good health, but with no memory of his Outsider identity.
Split into simpler sentences: Knocking the Outsider out, Batman puts him on a machine which bombards him with radiation once more. This restores Alfred back to normal and in good health, but with no memory of his Outsider identity.