Master of Dungeon

Master of Dungeon summary:

In a world filled with war where countless people have been sacrificed just to determine the stronger side, a strange building appeared. They call it Dungeon. Each kingdom is now trying to conquer dungeon to show their power and gain artifacts from within. A young boy named Varn never thought of wanting to become a dungeon raider, His fate however brings him to a unimaginable future that’s entwined with countless dungeon all around the world. Fate however didn’t agree with him and brought about a future he never expected surrounded by dungeons all around the world.