Anyone wanna talk? I'm bored T^T

Which theme is best supported by the descriptive detail in this passage from my antonia

Ineed . i need to write a story with this words. vapid, reverie, chastity, petty, invariably, posterity, axiom, pugnacious, bourgeoisie, knell

Doug plans to end his adventure story by introducing a new character during the climax. the new character happens to be an experienced guide who will lead the protagonist down a treacherous mountain and into safety. explain the problem with his plan.