User blog comment:Tyrannoraptor/why use black arrow to shoot Smaug at the weak spot? why not normal arrows to kill Smaug!/@comment-213.149.62.186-20150826103254/@comment-25267670-20150826105310

I don't think so. If then some men or dwarves must have stabbed and killed him, since spears are one of the most commom weapon in Middle-earth.