The wolf blade is rubbish, only the sharpness is good. If you want to beat the Lao Shan, use a powerful set of dual swords e.g. The Guillotine (thats after the prototype saw slicer), or use a heavy bowgun. The best ammo to use would be clust, you can make clust level 2 by combining wyvern claws with small bone husks, (remember to bring your combo books, happy hunting.