In reply to Alex Mason: The Ashes dries out fairly quickly, most of the wetness at the top will be run-off rather than seepage.
For the move to the boss: RH good flat crimp, LH top of undercut flake, LF out high L on knobbly smear, then RH up to pinchy think at base of boss the go again with RH to Boss.
Don't suppose you wandered down and had a look at Grooved Arete by any chance?
Andy