I would say Anagnorisis. This means when a character makes a critical discovery, in this case he finds out he was sleeping with his mom and killed his father. It also means a change in what a person stood for. He stood for finding who was the killer, and cursed him, only to find out its him.
- Stubbornness is a synonym for Obstinately
Both of them mean an unwillingness to conform to a certain opinion or persuasion
- Determination is a synonym for resolution that cannot be swayed
Both of them meant a stance that a person gonna do a certain things and would not stop until it's achieved
- Greediness is a synonym for Avaricious
Both mean intense/selfish desire to obtain wealth or power by their own.
- And Stinginess is a synonym of Parsimonious
Both mean unwillingness to share their wealth or power to other people