Original character Tauriel gets a prominent part in the battle, and in the end Bolg is killed by Legolas instead of by Beorn.
Here, he figures out Smaug's weakpoint on his own instead of a thrush telling him.
Action Prologue: Smaug attacks Laketown and is killed before the title screen appears.Action Film, Quiet Drama Scene: Once it starts about mid-way through the film, the eponymous battle lasts for most of the rest of it, but is often broken by quiet breather scenes where characters are in momentarily protected places and have time to talk and plan as the battle rages on nearby.
