Betrayed And Left To DIE, But His Daily Skill UPGRADES Pistol Into Electromagnetic CANNON

What the story is about

After dying in a laboratory accident, former scientist Alan Albert awakens as a weak noble in a frozen northern territory, with a daily enhancement skill that can permanently upgrade anything. He exploits the system to strengthen his powers and technology, then uses his inventions and rapidly growing strength to build a force capable of defending the North from monsters and invading orcs.