Final answer:
Victor Frankenstein asks Captain Walton to destroy the monster at all costs, which is a significant moment in Mary Shelley's novel expressing themes of responsibility and the repercussions of unbridled ambition.
Step-by-step explanation:
After hearing Victor Frankenstein's story in Mary Shelley's novel Frankenstein, Victor implores Captain Walton to destroy the monster at all costs. This request is made to Walton after Victor recounts the horrors and tragedies brought upon by his creation. Victor hopes that by destroying the creature, no further harm will come to anyone, and his suffering will not be in vain. This climactic moment in the novel highlights the themes of responsibility and the consequences of unchecked ambition.