You'll first encounter the statue riddle in Elden Ring: Shadow of the Erdtree while exploring the Shadow Keep. If you find your way down to Shadow Keep, Back Gate site of grace, you'll discover a small room with a headless Marika statue and a riddle: Have mercy. For the spirited-away shamans. This might seem a little confusing at first, but upon closer inspection, you'll realise there's a passage behind the statue.
If you read the notes that kindly players have left nearby, you'll also discover...