From Pikmin Fanon
This article or section presents information pertaining to Pikmin: The After Years, created by Gamefreak75.
Underwater Battlefield is the first cave in Relentless Spring in Pikmin: The After Years. This is an easy cave with a few tough enemies and a recognizable boss on the final sublevel. There are ten sublevels with seventeen treasures located here.
After its defeat, the Ranging Bloyster spits up the Pulsar Medallion.