Volume 79 begins the emotionally intense Whole Cake Island arc. Luffy heads into Big Mom’s territory to rescue Sanji from a forced political marriage. The Vinsmoke family’s dark and abusive history comes to light. Sanji’s painful decision to leave the crew is revealed as a sacrifice to protect them. In a heartbreaking confrontation, Luffy and Sanji clash physically and emotionally. The theme of loyalty is tested in devastating ways. Big Mom’s power and influence dominate the backdrop. The arc blends political intrigue with emotional depth. The crew faces danger in enemy territory with limited support. This volume delivers powerful character drama alongside rising tension.