Chapter 4: Over Hill and Under Hill:
* Trolls: Bilbo uses his quick thinking and ability to manipulate the trolls by delaying them with riddles and arguments, eventually causing them to argue amongst themselves and turning them to stone with the rising sun.
Chapter 5: Riddles in the Dark:
* Gollum: Bilbo's resourcefulness and ability to think on his feet help him navigate the dark tunnels and solve Gollum's riddles, ultimately outsmarting the creature and escaping. He also uses his small size to his advantage, squeezing through narrow spaces Gollum cannot follow.
Chapter 6: Out of the Frying Pan into the Fire:
* Wargs and Goblins: Bilbo's quick thinking and courage help him escape the wargs and goblins. He uses his unexpected skill with a sword to fight back against the goblins, surprising them with his ferocity. He also utilizes his small size to hide and sneak away from danger.
Key Themes:
* Small size and unexpected skills: Bilbo's size and seemingly insignificant abilities become his strengths, allowing him to overcome larger, more powerful enemies.
* Resourcefulness and quick thinking: Bilbo's ability to think on his feet and adapt to changing situations is vital in his success.
* Courage and defiance: Bilbo shows bravery in the face of fear, refusing to be defeated by the darkness.
It's important to note that while Bilbo does display heroic qualities, he also struggles with fear and doubt. This makes his triumphs even more impactful as he overcomes his own limitations to face the powers of darkness. His journey highlights the power of small actions and unexpected abilities in the face of overwhelming odds.