The Duskwood Hill Ruins puzzle might just be the most cumbersome Mysterious Energy trial I've come across so far in Crimson Desert. Found in the hills in northern Witchwoods, this puzzle is far from intuitive, and you'll be wrestling with the controls while trying to get all the pillars in the perfect position. Frankly, it's hell.
But it's easier when you know exactly what you need to do to solve it. Below, I'll go over the Duskwood puzzle solution so you don't have to suffer the same way I did.
