I HAVE A GOD LEVEL TRADING SYSTEM THEN I CREATED MY OWN REALM

It still vivid in my mind when i woke up that i'm in the body of a 14 years old kid name kyle. In my previous life i am the most powerful necromancer and alchemist in history, i accomplished many things and died contented. But i didn´t expect to woke up in another body in another world. Then i found a box in the dump site with a key card...Welcome to trading system as a starting gift you will get a small realm and can bring one person for the time being, And that´s the start of my OP adventures. Join me to build a powerful and wealthy realm and travel to every realm to trade and gather powerful people and treasures.