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Caterpillar - Version 4 vs Version 5
Jun 8, 2026, 11:29 PM
Removed duplicate in-body wikilinks
Jun 21, 2026, 06:02 AM
Corrected typing to dual Bug and Grass and added the Flower Spirit species ability
11Overview2233Caterpillar (小草虫) is a hidden rare spirit in Roco Kingdom: World. It triggers at the same Holy Feather Altar statue as Stone Stone, but requires a water-type throw rather than a ground-type throw.4455How to Obtain667788Teleport to the Holy Feather Altar Magic Source in Old Airship Route.Approach the statue.Throw a water-type spirit at the statue. Caterpillar spawns around the statue.Capture with any Gulu Ball.991010See Also11111212Old Airship Route - spawn zoneStone Stone - sibling statue triggerHidden Secrets and Collectibles - full hidden spirit list13131414Statue Trigger Details15151616The Holy Feather Altar statue accepts a single throw to spawn Caterpillar. The thrown spirit is not consumed and stays in the player's party. Any Water-type spirit at any level qualifies as the trigger; a low-level Water-type works as well as a fully evolved one.17171818Stone Stone shares the same statue and reacts to a Ground-type throw. Carrying both a Water-type and a Ground-type before teleporting to the altar lets a player complete both hidden spawns on the same visit.19192020Capture Tips21212222Approach the spawn from behind once it appears. Backstabbing doubles the first throw's capture rate.Caterpillar's base capture rate is lower than ordinary wild spirits in the area, so an Advanced Gulu Ball is recommended over the Normal tier.If the spawn despawns before being caught, leave the zone and re-trigger the statue. The mechanism is repeatable for the throw, but the hidden spirit itself is one-time per account.23232424Element Notes252526-Caterpillar reads as a Bug-type companion at launch. Bug-type matchups: strong into Grass, Dark, and Phantom; weak to Fire, Wing, and Mech. Carry coverage that handles those weaknesses if Caterpillar is the active spirit during exploration. Full chart on the Element Types page.26+Caterpillar is a dual Bug and Grass-type spirit, and its species ability is Flower Spirit (花精灵). Bug-type matchups: strong into Grass, Dark, and Phantom; weak to Fire, Wing, and Mech. The secondary Grass typing shifts some of those matchups, so check the full chart on the Element Types page before leading with it. Carry coverage that handles its weaknesses if Caterpillar is the active spirit during exploration.