1 I'm traversing thru through another world

A young man named Bol, due to the failure of the human body modification experiment, travels thru through to a strange world with magic, elves, dragons, and necromancers, and becomes a poor noble boy named Lorraine. In this world, there is an extremely powerful evil necromancer. The evil necromancer always wants to enslave the whole world. The protagonist,Lorraine , uses the technology from his past life to create modern weapons to fight against the evil necromancer step by step. . . . . .