Is it wrong to try to be too powerful

In a world where Hunters fight monsters to stop them from attacking humanity live Asai Natsuo who is the weakest hunter alive but works extremely hard to make a living. He is bullied and mistreated by the guild he is a part of. However one day he finds that he has gained the ability to grow stronger an extremely fast rate. He uses this power to become one of the most powerful Hunters in the world.