Practical:
* Sharp and Useful: Sting is a very effective weapon, being a keen, double-edged dagger. It is essential for Bilbo in fighting goblins, spiders, and other dangers encountered on his journey.
* Glow in the Dark: It glows blue in the presence of Orcs and Goblins, making it a valuable tool for detecting the enemy.
Symbolic:
* Symbol of Courage: The dagger represents Bilbo's growing courage and resourcefulness. He initially hesitates to use it, but as he faces danger, he becomes more confident and skilled.
* Connection to the Elves: The dagger was originally made by the Elves, and its glow is a reminder of their wisdom and magic.
* Fate and Destiny: Sting is a powerful artifact that guides Bilbo on his journey, leading him toward his destiny.
Story Significance:
* Key to the Quest: Sting is necessary for defeating Gollum in the riddle game and ultimately obtaining the Arkenstone.
* The Unexpected Hero: The dagger symbolizes Bilbo's transformation from a timid hobbit into a courageous and capable adventurer.
In the broader Tolkien Universe:
* Connection to the One Ring: Sting is said to have been forged by the same elven smith who made the One Ring, and some believe it possesses a faint connection to the Ring's power. This connection will become more significant in later works like The Lord of the Rings.
Overall, the dagger Sting in The Hobbit is more than just a weapon. It is a symbol of courage, a tool for survival, and a reminder of the hidden depths of Bilbo's character, ultimately playing a pivotal role in his journey and the future of Middle-earth.