Korea flourishes under the early Joseon Dynasty. King Sejong the Great, a renowned scholar-king, nears the end of his reign. His legacy includes advancements in science and technology, most notably the revolutionary invention of Hangul, the Korean alphabet. Confucianism forms the bedrock of society, with strict social hierarchies and a focus on education for the elite. Cultural achievements blossom, with beautiful ceramic ware produced for both nobility and commoners. Trade with neighboring Ming China brings wealth and cultural exchange, while tensions simmer on the northern borders with Jurchen tribes.