Universal Power: My Goblin Evolves Infinitely

I traveled to a world of supernatural powers, and I was the best in the cultural department, but I awakened an E-class goblin and became a laughing stock. Activate the power upgrade system in desperate situations, kill monsters to upgrade, and evolve every 10 levels! From a cowardly soldier to an abyss demon, I have become the strongest god with the weakest ability!