King of Mercenaries in the City

The Three Great Mercenary Organizations: Qilin Camp, White Tiger Cavalry, and Wolf Fang Hall. They All Hail Him as King

As the title says.

Any Novels Like The Strongest Soldier: Set in Modern China and the City

Please recommend something that's neither xuanhuan nor cultivation.

Any Novels About Assassins or Mercenaries?

Urban setting transitioning into fantasy.

Novels with a Mercenary Protagonist

Novels.

The Protagonist Is the King of Mercenaries, and His Father Is a High-Ranking Chinese Official

Has His Own Faction, Served as a Soldier King in China, and Comes from a Prominent Yanjing Family

Looking for a Warrior King with Great Achievements in Battle, It Is Better to Have a System

Looking for a Story About a Protagonist Who Works Abroad and Eventually Becomes a Mercenary

It’s been years, and I’ve forgotten what the book was called.

Urban Mercenary Novels

Intense.