9.14 What a let down

"It's this one at 75° and that one at 45° the rest are in the same pattern. This time let's get it correct." Shu XinYi said pointing to the 2 portraits, in the corridor they were in. It had been 2 hours and only now did they figure out the puzzle. With Shiro and Tsuki's partnership, they were able to accurately turn the portraits at certain angles in the desired pattern. Once they were done, a click! sounded, and all the portraits started moving along the walls, like targets.

The portraits had pictures of various things, with mythical and Godly creatures. It was tsuki who spotted the gleaming green stone in one of them, "There, the stone is shifting from portrait to portrait, it's difficult to attack it."