Codename-Anastasia - Chapter 55 - 4.9 Checkmate 3

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

For saving his girlfriend, Feng Shan was convicted of excessive self-defense and served a seven-year sentence.After his release from prison, he unexpectedly inherits an overseas estate, becoming a landlord in the Alaskan Arctic Circle.By day, he hunts, eats meat, and drinks a little wine; at night, he watches the aurora, grows vegetables in the world of ice and snow, and for fun, shows off some Witchcraft to the natives to blow their minds.Creating his own paradise within the Arctic Circle.

In a world of endless star fields and interdimensional wars, the wizards' floating city conquered one world after another.At the wizard academy, through blood-stained exams, the towering wizard tower sent wizards batch after batch.Becoming an apprentice wizard, Richard activated the miracle furnace deep within his soul, where constant refining of materials granted him knowledge and skills...The veteran's weapon could be refined into legendary martial arts techniques.The ancient wizard's encrypted notes could be refined into lost knowledge.The remains of brutal monsters could be refined into monster bloodlines.In this era of great voyages in the wizarding world, Richard was destined to become a leader of his time.

Should an untalented guy like me die?Then I’m going to die.I will die as you so desire.After dying, I will challenge the world again.Until I kill this tr*sh-like world!