Gao Wu: from Conquering the Female Devil to Becoming the Co-Lord of All Realms

[Single male protagonist, multiple female protagonists, Western fantasy, multi-race, system upgrade, conquest, decisive killing, emperor] Traveling through a different world, he became a declining baron with only one cavalry, one infantry and eight farmers. On the day of the time travel, I was ordered to attack the Demon King's army camp, which had a large number of soldiers. If you go, you will die, if you don't go, you will die. Awakening the dual cultivation system at the critical moment, he successively conquered the female devil, the kingdom princess, the elf queen, the elf princess, the orc princess, the dragon princess, the dragon queen, etc., And finally conquered the world, unified all realms, and became the only emperor.