The reason Zhao Fu rejected the Greenwood Kingdom's offer was quite simple; he did not want another faction to gradually take over Great Qin. The Royal Kingdoms primarily had Stage 2 soldiers, so how could Great Qin stop them from gradually taking over?
Moreover, after making Princess Qingmu the Empress, in terms of Fate, Great Qin and the Greenwood Kingdom would have an intimate relationship. He could not confer the title of Empress so easily.
In actuality, Princess Qingmu was quite pretty and could be ranked in the top ten in the Ancient Stem Domain. However, she was somewhat unruly and arrogant.
Zhao Fu somewhat changed his aura as he walked out and asked, "What business do you have with Us? Also, this isn't the Greenwood Kingdom, so it's best that you show some respect."
Princess Qingmu looked at the cloaked and masked figure walking over, and she understood that this was Great Qin's famous Legatee.