What is the last mission in rdr2?

The last mission in Red Dead Redemption 2 is called "American Venom." In this mission, Arthur Morgan's plan to take down Micah Bell and rescue Abigail Marston comes to fruition. The mission sees Arthur confronting Micah at Mount Hagen and engaging in a brutal showdown, ultimately leading to his death.

After Micah is defeated, John Marston arrives and the player controls him as he chases down Dutch van der Linde, who is attempting to escape. The mission ends with a final standoff between John and Dutch, where Dutch ultimately walks away, leaving John to reunite with his family and start a new life.

Overall, the last mission serves as a conclusion to Arthur's story and sets the stage for the events of the original Red Dead Redemption game. It is a dramatic and emotionally charged finale that ties up loose ends and provides closure for the characters.