The Cosmos's Strongest

The world was all normal for a 15 year old boy living in London until he saw the horrifying scene of his foster mother. Then he was abducted by something called a dark Walker. And then he woke up in the body of an 8 year old kid, which was then followed by many extraordinary events. It seemed that the boy was transmigrated to another world. which to the boy's delight was a world where Mana and many other fantasical things existed. His main objective was to become The Cosmos's Strongest. Join him on this journey filled with mysteries and dangers of the universe. Author:- This novel has magic and all the stuff that's definitely sci fi but I try to make it a bit relateble to science.