User blog comment:Tyrannoraptor/why use black arrow to shoot Smaug at the weak spot? why not normal arrows to kill Smaug!/@comment-26082545-20150409155640/@comment-24175751-20150415104320

But what about shoot him at his missing scale with a normal arrow? I was just thinking whether a normal arrow could kill Smaug by hitting the bare patch of his missing scale.