So King is basically an upgraded version of Sanji
- High speed movement(with no visible drawback)
- Hotter leg/fire attacks
- Greater physical strength, durability
- Flight mobility with ranged destructive power attacks and hardening
- High speed movement(with no visible drawback)
- Hotter leg/fire attacks
- Greater physical strength, durability
- Flight mobility with ranged destructive power attacks and hardening
Sanji has better speed, better haki overall
King isn't upgraded version of Sanji. Sanji ain't a fraud like King