, titled "The Unveiling of the Secret Weapon of the Sunny! Gaon Cannon". Notable Episodes
: His intense mental battle and Haki clash against Charlotte Katakuri. ⚡ The Advanced Stage: Infusion which episode luffy use supreme haki
After training with for two years, Luffy returns to Sabaody with full control over his Haki. , titled "The Unveiling of the Secret Weapon of the Sunny