Forum:Lao's Claw

I've been trying to get this for a while to buy the Fire Dragonsword, and it sucks. The first time I got 2 Lao-Shan Claw, the second time I got one, and now I can't get any. I used the first two to make Power+Armor talons, and now I can't get anymore.

Also, how much damage do you have to do to Lao? Like 12000? 20000? 30000? 100000?