Those who have already completed Elden Ring: Shadow of the Erdtree on new game plus are in for a surprise if they play it through again.
https://www.digitaltrends.com/gaming/elden-ring-shadow-of-the-erdtree-secret-difficulty-dlc/
https://www.digitaltrends.com/gaming/elden-ring-shadow-of-the-erdtree-secret-difficulty-dlc/