The Genius of the Damar Clan

In my home world, I was a battle mage, commander of a special forces squad. There, I died in combat—having shielded my boys from the blast of a magical mine.

Here I was reborn in the body of a young genius of a clan. Lucky? I doubt it. Otherwise why is the entire family of that boy dead, and the clan doing nothing? And something is clearly off with the genius’s power…