Check this website http://www.dota2.com/workshop/requirements There you check on the hero you are modeling for. There should be the name of the correct bone on which you need to skin your weapon. Next thing you do is download the original model of the hero (found on same website). The you import the original weapon into…
If you're still looking for ideas:: Try using the 'Link Constraint'. Go to the frame where you first attach the weapon to the hand. Select the weapon, click the 'Add link' button in the 'Motion' command panel Select your hand or whereever you'd like the weapon to attach to. Then, when your ready to unlink the weapon from…