Phase 5 of 12
Pokémon Platinum Walkthrough — Phase 5: Fen Badge
Fen Badge Sweep the resort coast, master the Great Marsh, defeat Wake, and chase the bomb-carrying grunt. Complete route, encounter, trainer, item, puzzle, and boss coverage.
Phase 5Fen Badge Valor Lakefront, Route 213, Great Marsh, Crasher Wake, and the grunt chase. 05 / 12 
Sweep the resort coast, master the Great Marsh, defeat Wake, and chase the bomb-carrying grunt.
Target level
29-37
Fen Badge, TM55 Brine, Surf field access after Cynthia's errand
Phase Route
Clear the southbound trainer route and advance the Ruin Maniac's Unown project.
Section 2Valor Lakefront and Hotel Grand LakeExplore the resort hub and unlock its daily and Rock Climb-gated services.
Section 3Route 213 and Pastoria CityClear the beach, collect the Footprint Ribbon service, and enter Pastoria.
Section 4Great MarshUse the binoculars, cover all six areas, and secure Defog.
Section 5Pastoria Gym — Crasher WakeRaise and lower the water to cross the Gym's floating platforms.
Section 6Galactic Grunt Chase and SecretPotionPursue the fleeing grunt to Valor Lakefront and unlock northern Route 210.
Phase Checkpoint
- Complete all 6 section checklists.
- Defeat every sourced trainer and boss assigned to these maps.
- Account for visible items, initialized berry patches, Dowsing Machine items, gifts, services, and special encounters.
- Verify the stated reward or story unlock before moving to Phase 6.
Source Note
All section tables are generated from pret/pokeplatinum; editorial routing and strategy use original wording.
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