Might want to put the standard exception on Cunning for the Arborea Celestial that a rogue with 4 more levels than they have HD can still sneak attack them... unless that already isn't a problem with the exact way you have it written...
Playing: Timoci in 100th level Pentastalt game.
Running: Ruceeglaelsktinag ICOOC (Now accepting applications via PM for anyone interested when/if I start this up again)
Equestria Begins (Post Hearth's-Warming era My Little Pony game): New Recruiting, Original Recruiting, OOC, IC
For everything else (including my extensive homebrew) see: Extended Signature My Homebrew is meant to be used, but, if you do, PLEASE tell me how it goes.