The rival captain reveals they want the "Eternal Mist Compass" to find the grave of a legendary pirate. Luffy refuses to fight for treasure. A three-way battle erupts with the island’s guardian.
Title: The Log Pose Arc: Uncharted Waters (Filler / Semi-Canon Arc – Episodes 1085–1096) Overview The Log Pose Arc is a 12-episode anime-exclusive arc that takes place immediately after the Wano Country Arc and before the Final Saga's first canon island. It follows the Straw Hat Pirates as their Log Pose unexpectedly locks onto an uncharted island chain called the "Kuzunoha Trails," forcing them into a survival race against a rival crew. Plot Summary Episode 1085: "A Strange Needle – The Log Pose Goes Wild!" As the Sunny leaves Wano’s waters, the Log Pose spins erratically. Nami detects a magnetic anomaly. Suddenly, a massive whirlpool pulls them toward a cluster of floating islands shrouded in mist. one piece episodes wiki
The crew finds a derelict ship flying the mark of the Spade Remnants (a rogue faction of former Baroque Works agents led by a mysterious swordsman). Zoro recognizes the sword style. The rival captain reveals they want the "Eternal
Robin finds a broken Sky Poneglyph on a floating ruin. It mentions the "Fourth Ancient Weapon" (a fake-out – it’s actually a map to a lost library). Sanji protects her from Mist Serpents. Title: The Log Pose Arc: Uncharted Waters (Filler
The Sunny is stuck in a canyon. Usopp uses a new Pop Green “Magnet Vine” to create a bridge, then snipes a switch from 500m to open the sea gate. He briefly dons the Sniper King mask for morale.
Zoro duels the Spade captain, who uses a sword that cuts memories. Zoro momentarily forgets Kuina, then remembers her harder, unlocking a new style: "Three-Sword Style: Oath of the Departed."