Wan Ren Di (萬人敵) (Patreon)

Wan Ren Di (萬人敵, lit. 'Rival ten thousand men') is a type of improvised incendiary bomb developed during the last years of  the Ming Dynasty. It is designed to defend relatively small and remote cities and fortresses, where ponderous cannons wouldn't be of much use. 

Continue reading on my Great Ming Military blog.