Start on the left side of the huge hueco that Helmet of Vader and Stratagem start on. Move out to a positive hueco, match and move out of the roof via a small three finger crimp and a big cross with the right hand to a positive hold on top of the roof. Make the easy topout.
This is located on the far left side of the roof on Moonshine Boulder. You can downclimb any number of ways.
Pad and spotter.