Please recommend a cultivation novel. The main character has a military background, and the military leader is called "Dragon Head".

In the novel, the protagonist had a military background, and the leader of the military was called "Dragon Head". He still remembered a scene where he went to the bottom of the hot spring with the dragon head to search for treasure. The dragon head obtained a Golden Bell Shield, and the protagonist obtained a scepter. There was also a plot where he protected the school belle. Later, the school belle's mother found another person to replace the protagonist's position, but the protagonist beat him up.