Stand start on the under-cling. Move to hidden jug in the back left corner. Walk your feet up and hit a hidden crimp in the crack. Hit the sloping sharp horn on the left portion of the arete. Make a move to the sharp crimp in the center of the face. Hit a sloper on the top left portion of the boulder before finishing on top. The ENTIRE left side of the boulder and the tree ROOTS are OFF (Otherwise, it's a V2). Crux is moving to and from the sharp horn on the left arete. Down-climb the tree roots.