Divine Engine Ten-Thousand-Victory Fire Dragon Saber Shenji wansheng huolong dao a multi-barrel gunpowder polearm

A woodblock illustration of a polearm weapon known as the Shenji wansheng huolong dao Divine Engine Ten-Thousand-Victory Fire Dragon Saber. The weapon consists of a long shaft with a pointed ferrule at the bottom. The head features a central blade flanked by multiple rocket-like tubes or fire arrows arranged in a fan shape. Flames and smoke trails are depicted emitting from these tubes, suggesting the weapon functions as a combined melee and gunpowder projectile device. A fuse or match cord is visible near the socket where the head meets the shaft.