His chest is covered in jewels from lying on his stolen treasure for such a long time. Bilbo notices that there is a single spot on his chest not covered in jewels. He sends a message to the men of lake town telling them of this weakness. He is then shot with an arrow in this spot which ultimately leads to his demise.
Bilbo discovered a weak point in Smaug's scaly armour, which ultimately caused his death.
In the movie adaptation, the weak point had been created by Bard the Bowman's ancestor, who tried to kill the dragon with a giant bow called a Windlance. The arrow had hit its mark, dislodging a nigh-inpenetrable scale, which later allowed his descendant to fire a killing shot into the dragon's heart.
The Old Thrush, one of the species of Great Thrush that lived in the Esgaroth region, told Bard that Smaug had a hole in his armored chest right over his heart.
The thrush overheard the conversation that Bilbo had with the dragon about the spot.
There are plenty of idioms in The Hobbit, though one of the most important (I believe a whole chapter is dedicated tot he idea) is "out of the frying pan into the fire, or out of the cauldron into the fire.
A hobbit barrow is referred to as a 'smail.'
The Individuated Hobbit was created in 1979-09.
he has a weak spot for red heads
The Old Thrush, one of the species of Great Thrush that lived in the Esgaroth region, told Bard that Smaug had a hole in his armored chest right over his heart.
The thrush overheard the conversation that Bilbo had with the dragon about the spot.
After bathing in the River Styx his "Achilles Heel" or weak spot was his underarm.
The information was that of a weak spot in Smaug's armour, a gap in his coat of scales, through which the arrow that killed him was fired.
terds
his weak spot
Achilles' heel was his weak spot thus the saying that someone's weakness is their "Achilles heel."
what is smaugs puff name
Firstly, he gets the dragon to brag about his chest with jewels encrusted. When Smuag decides to show it off, the weak spot is revealed, and Bilbo sees it.
In the crust the weak spot we have is the Magma Chamber. But, deep down to the mantle such weak zone is the Asthenosphere.
The weak spot of an alligator is it's somach