It's the 85° mission in chronological order of the RDR2 story mode, played with protagonist Arthur Morgan .
Favored Sons - Mission Details:
In order to draw attention away from the gang and onto the Natives, Dutch convinces Eagle Flies to ambush an army patrol.
Gold Medal Objectives (100%)
The following are the Mission Objectives required to obtain the Gold Medal in the mission "Favored Sons":
- Kill the soldier on the cannon within 45 seconds
- Get 35 headshots
- Complete the mission without taking any health items
Note: You must complete all Gold Medal requirements in one single playthrough of the mission.