There are hundred foot long mountains of muscle in the real world. Shall I inform the biologists that they're studying things that don't exist?
Also, Gauru, Urshul, and Dalu all grant claws, but Gauru and Urshul ones are better. I'm actually not using nwod terms to be contrary, they're just the ones I remember. WW was never my favorite line, and I reread WtF for a different game entirely recently.
Edit: As to Leviathan, the wiki is here
http://wiki.rpg.net/index.php/Leviat...ilationProject
I couldn't immediately find a .pdf, if there is one.