In this Part 2 of a 3 part series, we'll look at Duke Xiao's secret weapon: Shang Yang. Shang Yang introduced Legalism to the Qin ruler and all kinds of reforms that took the Qin to the next level. We'll also explore the rulers who all benefited from Shang Yang's political reforms. We'll also look at King Zhaoxiang and his great military advisor Fan Ju. Nobody was laughing at the Qin anymore. By the 3rd century BC, they were becoming the most powerful state in Eastern Zhou China.