Luffy, Sanji, and Usopp arrive at the Milky Road , facing four gates representing different "Ordeals." Luffy instinctively chooses the Ordeal of Balls , which Usopp incorrectly assumes will be the least violent option. The Encounter with Satori

Robin’s discovery of soil sets the foundation for the arc's major revelation regarding the island's true origin and its connection to the Blue Sea.

Episode 160 of One Piece , titled , is a pivotal episode in the Skypiea Arc that introduces the crew to the devastating power of the island's Priests. Plot Summary

This episode shifts the tone of Skypiea from whimsical adventure to high-stakes survival. The crew realizes that their usual combat strength might not be enough against the island's unique "God" and his followers.

Satori demonstrates a terrifying new ability called "Mantra" (later revealed to be Observation Haki), which allows him to predict and effortlessly dodge the crew's attacks.

The episode's climax focuses on the rescue group’s first encounter with in the Illusion Forest.

The group is bombarded by surprise attacks hidden within floating "cloud balls," making the environment itself a weapon.