The best place to do this in Conflict of Tian Shui. This stage nets you 17000 in around a minute. If you also want to farm for bonds on the side, equip the seal Congeniality to both your weapons.
Just follow along with the video, killing the first officer (Lu Xun) was to increase bonds. Optional, if you are just interested in farming for gold.
Killing the supply captain, increases the gold you earn by 2000.
Kill the enemy commander to finish the stage.
If you are farming for bonds. You can increase your bonds with 4 characters in this map.
1. Your sworn ally
2. Your commander (Always a Jin character)
3. The character you save in the base (for this video, Sima Yi)
4. Any reinforcements you request.
