Death and Destruction are what await me!

"Your parents named you Mercury, hahaha they must have hated you so much!"
I stared at my reflection in the mirror and looked at my scarred face.
"Probably!" I replied with a sad expression on my face. I laughed at the joke the was made at my expense because I truly thought it was funny and slightly ironic.
________
Mercury Maxwell killed his father at the young age of 12. Having spent 6 years in juvenile and 4 years in Arizona ultra maximum security he was finally released only to be arrested 60 days later after being accused of massacre, manslaughter, and terrorism. Mercury managed to walk free after no evidence was found despite being guilty.
After going back home he and going to sleep he opened his eyes to find himself in a dark alley in the body of a 10 year old child starving and cold from the rain.
After several years at the age of 13 he joins a mercenary group that assist different nations with their wars.
The story of a kid with an empty heart who only brings destruction, death and ruin to everything. A curse from another world. A transmigrated incurable disease. How will the world filled with magic and swords deal with a person cut of from his emotions.