Your answer would be Dialogue :)
The theme of success and failure is examined through Mitty's inability to live a fulfilling external life, which causes him to retreat to an internal life full of images of conquest. Walter Mitty is neither exciting nor successful in his everyday life. In fact, the world Mitty lives in seems hellish to him
Achilleus’s quest for revenge. The speech exposes Achilleus’s feelings of sadness.
