After Integrating Jin Shu, I Traveled Across the World

After two years of hard work farming in the Da'an Dynasty in another world, Zhang Yuan finally got his system. However, this system seems a bit... Weak? ——It can only obtain the character abilities and items that have appeared in the history of the home planet Earth, and there are some restrictions: Regional restrictions: "You can only choose a single country as the region." Time limit: "If you count from the date the host traveled forward, that is, 2025, you can choose the previous 500 consecutive years; if you choose a timeline beyond this 500 years, you can only choose the consecutive 200 years, or a feudal dynasty that lasted no more than 300 years." The only good news is: the system lacks the historical data of its home planet five hundred years ago, and all its abilities are evidenced by history books. In this case... ""Magic Book of Advancement", start!"