[quote=Yog Sothoth]
Okay because what I was thinking of was a weapon that would return to you if you threw it, kind of like how Thor's hammer always returns to him.
[/quote]

Unless the weapon has a natural way to return to the owner (i.e. Rope Dart, Grappling Hook) don't add a magic property like that. Would be kinda OP if you had a Greatsword that you could throw and just have it return back to you :P