Picayune worm discounted by all,
Grew by Sisyphean determination
Magnanimous nature destroyed by gall
Of the heroes murderous celebration.
Magnanimous (adjective)
Very generous or forgiving, particularly toward a rival or someone less powerful than oneself.
WordThink
Picayune (adjective)
of little value or account; small; trifling:
Dictionary.com
Sisyphean (adjective)
both extremely effortful and futile
The New York Times