I did not ask for a legal reason. I asked for one good reason. And so far all you have is your vanity and the mistaken belief that being a child and demanding the right to do as you please is liberty.
You should not have a sword. you lack the maturity for it.
Again Your request that I give you a reason for owning a sword is irrelevant. At the end of the day we live in different countries. Yours requires an excuse for liberty; mine does not. I would rather not need to ask for liberty from my government since that is not liberty.