The Marineford arc led to a significant increase in One Piece manga sales from 2009 to 2011. One Piece peaked in 2011 with 37.9 million copies sold, maintaining its top spot each year until 2018.

Post-Marineford events brought drastic changes, altering the balance of powers and setting the stage for a new era in One Piece. The execution of Portgas D. Ace is what led to what would be known ...