I'm looking for a novel where the MC was reincarnated to another world as the second son of some noble. Not sure if there is magic but there exist alchemy. The MC is very very scared of death so he learned alchemy to ptotect himself. He eventually started going crazy(?) And experimenting on human. I remember the MC has a whole group of artificially modeled human guards that the brain got tinkered so they can't betray him. Oh, and the last i read the MC got send to a small territory by his brother that couldn't stand him to be the lord(?). Please help me find this gem please! I'm dying to read the continued story...