Mario's Betrayal (2017)

Mario (Patrick Duckworth) is on the verge of killing his nemesis, Bowser (Patrick Duckworth), to avenge his brother, Luigi. However, Mario refuses to go through with it, realizing that it's not his way. Soon after, Bowser insults Luigi, providing the final nail in the coffin for him, as Mario, driven by anger, throws Bowser off the edge of a high rooftop.