amental reason is that the Shan Hai Tu Scroll not only improved combat card decks but also upgraded the production line. Most importantly, and crucially, it improved the materials.Such low-grade mate...ked.From the soldiers of the Terracotta Army, you learn that during the first great catastrophe, in order to protect the Great Wall, Qin Shi Huang entrusted a mysterious alchemist with his own ancestr...