The Strongest Person Summoned to Another World

This is the most chaotic world, this is the most crazy world. This is a world full of crises but also a world full of opportunities. The collision of magic and gunpowder, the fight between dragons and mechas, the slaughter of monsters and orcs, the confrontation between demon hunters and onmyoji... Twelve worlds with different civilizations, different beliefs and even different races merge together and are constantly fighting just to find a glimmer of hope... Can Jiang Jinghuan, who was summoned as a hero but was ruthlessly abandoned, survive in this cruel world...