I Am the King of Hades in Another World

After the plane crash, special soldier Jiang Wuyin traveled to this magical world. There are four continents here. The eastern and western continents are inhabited by humans, who mainly practice fighting spirit and magic; the southern continent is inhabited by elves and timid dwarves who hide away from the world. The elves are good at bows and arrows, and the dwarves are good at alchemy. The northern continent is inhabited by the Hel tribe, who are tall and good at defense. The sea area is mainly controlled by the mermaid tribe. Jiang Wuyin is a half-demon, a human race that was extinct in the ancient war, and has resurrected the long-extinct dragon race as a mount. Regarding all this, Jiang Wuyin just wanted to say... Labor and management are just practicing, why did they become the king of Hades? Which step did the problem occur? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.