Usopp hasn't had many significant power-ups in One Piece. The Sniper King has been struggling to keep up with the rest of the crew. Usopp may not need a power-up to become a brave warrior of the sea.

Usopp's journey from cowardly liar to confident sniper shows immense growth and inspires others in One Piece story. Post-timeskip, Usopp has outgrown his insecurities, developed Observation Haki ...