God of War: Deer Statue Rune Puzzle (Inside The Mountain)

Once you're Inside The Mountain (har har), you're greeted with this stag statue puzzle. Don't forget to pick up the rune and have Atreus shoot each rune gem/jewel. Inside is a large chamber with andeer statue at the other end of a gap. find a sandbowl with a riddle. There’s also one of two blue crystals nearby, and a lever. Shooting the only crystal here will reveal half of the puzzle if you pull the lever, so we need to find the other crystal in this area.