Fortune's Chosen - The Legend of Ivo FC-LoI

A successful military man in our time, died and ended up in a completely different world filled with magic, various creatures and gods.
Everything would be fine if this world was at least a little closer to their time, but he got into the body of a young man who lives in a backward tribe.
Armed with modern knowledge and a system from his beloved lady Fortune, he begins to enjoy his second life.
*The cover is not mine.