Bugger! Divine Divnity 2 perhaps?

Are there any weapons we can invent that haven't been considered before? After all, with a combination of metal, wood, leather and magic, what can't be created? Perhaps a whip/flail/rubber band weapon could be designed?

Think of a weapon that looks like a flail with a blade instead of a ball. There's a wooden, leather-padded handle, a chain of small balls connected by magical energy, and a dagger blade on the end. The weapon is used similar to a fishing rod with the attcker throwing the blade towards the enemy while holding the handle. The magical bindings stretch and after a point, they pull the blade (safely) back to the attacker. The damage would be fairly average, of dagger quality in it's variety of grades, but the reach of the weapon would be greater than that of a haliberd. Perhaps the Survivor's dagger skills (Assassin's Kiss, etc.) could apply to it as well.