Ruby & Sapphire Seafloor Cavern
Deep beneath the eastern sea, the team leader raises a stolen Orb to wake the slumbering titan, Kyogre in Sapphire or Groudon in Ruby, which then tears loose into the storm.
Seafloor Cavern is in Hoenn. In the story you arrive from Route 128 to the south and it comes before Route 126.
SEAFLOOR CAVERN MAP
There is no walking into the Seafloor Cavern, you Dive to its entrance off the southern sea. Inside, Strength boulder puzzles wall off room after room on the long descent to the bottom chamber.
Seafloor Cavern Walkthrough
Entrance
- SurfMoveSurfWaterClassSpecialPower95Accuracy100%PP15Creates a huge wave, then crashes it down on the foe. north from the entrance pool and step ashore.
- Walk north through the opening into Room 1.
Room 1
- Smash the rock atop the west passage, push the boulder below it south, then shove the next one east.
- Go north and west, where a Team Magma Grunt battles you in Ruby, a Team Aqua Grunt battles you in Sapphire.
- On the east side another Team Magma Grunt battles you in Ruby, another Team Aqua Grunt battles you in Sapphire.
Requires Rock SmashMoveRock SmashFightingClassPhysicalPower20Accuracy100%PP15A rock-crushing attack that may lower DEFENSE. (HM06MoveRock SmashFightingClassPhysicalPower20Accuracy100%PP15A rock-crushing attack that may lower DEFENSE.) to break. Usable after earning the Dynamo Badge from Wattson in Mauville City.
Requires StrengthMoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe. (HM04MoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe.) to push. Usable after earning the Heat Badge from Flannery in Lavaridge Town.
PoochyenaLv 37
NumelLv 37PoochyenaLv 37
CarvanhaLv 37NumelLv 38CarvanhaLv 38Room 5
- Take the east exit into Room 5 and push its east boulder east twice.
- Push the boulder below south, smash the rock east and take the exit into Room 4.
Requires StrengthMoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe. (HM04MoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe.) to push. Usable after earning the Heat Badge from Flannery in Lavaridge Town.
Requires Rock SmashMoveRock SmashFightingClassPhysicalPower20Accuracy100%PP15A rock-crushing attack that may lower DEFENSE. (HM06MoveRock SmashFightingClassPhysicalPower20Accuracy100%PP15A rock-crushing attack that may lower DEFENSE.) to break. Usable after earning the Dynamo Badge from Wattson in Mauville City.
Room 4
- Hop down the ledge, where a Team Magma GruntTeam Magma Grunt Grunt₱720PoochyenaLv 36
ZubatLv 36NumelLv 36Weak to4×WaterFightingBugElectricIcePsychicRockGround battles you in Ruby, a Team Aqua GruntTeam Aqua Grunt Grunt₱720PoochyenaLv 36ZubatLv 36CarvanhaLv 36Weak toFightingBugElectricIcePsychicRockGrass battles you in Sapphire. - Jump the east ledge and walk north to the opening into Room 2.
PoochyenaLv 36ZubatLv 36NumelLv 36PoochyenaLv 36ZubatLv 36CarvanhaLv 36Room 2
- Push the first boulder north, follow the west wall up and push the middle row's boulder east.
- Push the boulder above north, smash the rock east, shove the next boulder east and take the east opening into Room 7.
Requires StrengthMoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe. (HM04MoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe.) to push. Usable after earning the Heat Badge from Flannery in Lavaridge Town.
Requires Rock SmashMoveRock SmashFightingClassPhysicalPower20Accuracy100%PP15A rock-crushing attack that may lower DEFENSE. (HM06MoveRock SmashFightingClassPhysicalPower20Accuracy100%PP15A rock-crushing attack that may lower DEFENSE.) to break. Usable after earning the Dynamo Badge from Wattson in Mauville City.
Room 6
- Or take the first room's north opening, clear Room 2's east side and walk to its west opening into Room 6.
- SurfMoveSurfWaterClassSpecialPower95Accuracy100%PP15Creates a huge wave, then crashes it down on the foe. north and ride the currents round to Room 3's opening.
Room 7
- Walk east along the shore and surf out.
- Ride north, west and round a loop, then surf ashore at Room 3's opening.
Room 3
- Clear a lane north through the boulder block, the last boulder shoved east twice.
- Magma Admin CourtneyMagma Admin Courtney₱1,520
CameruptLv 38
MightyenaLv 38Weak to4×WaterGroundFightingBug battles you in Ruby, Aqua Admin ShellyAqua Admin Shelly₱1,520
SharpedoLv 38MightyenaLv 38Weak toElectricGrassFightingBug battles you in Sapphire; then take the north opening into Room 8.
CameruptLv 38MightyenaLv 38SharpedoLv 38MightyenaLv 38Room 8
- Walk up the west side and push the bottom row's middle boulder north.
- Shove more boulders north or aside, then walk through the opening into Room 9.
Requires StrengthMoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe. (HM04MoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe.) to push. Usable after earning the Heat Badge from Flannery in Lavaridge Town.
Room 9
- In this deepest room, reached with SurfMoveSurfWaterClassSpecialPower95Accuracy100%PP15Creates a huge wave, then crashes it down on the foe., StrengthMoveStrengthNormalClassPhysicalPower80Accuracy100%PP15Builds enormous power, then slams the foe. and Rock SmashMoveRock SmashFightingClassPhysicalPower20Accuracy100%PP15A rock-crushing attack that may lower DEFENSE., take TM26 EarthquakeTMTM26 EarthquakeGroundClassPhysicalPower100Accuracy100%PP10A powerful quake, but has no effect on flying foes.WhereIn the deepest room, east of the entrance (requires Surf, Strength and Rock Smash) east of the entrance, then follow the stairs south to the pool.
- There Magma Leader MaxieMagma Leader Maxie₱3,440MightyenaLv 41
CrobatLv 41CameruptLv 43Weak to4×WaterFightingBugElectricIcePsychicRockGround battles you in Ruby, Aqua Leader ArchieAqua Leader Archie₱3,440MightyenaLv 41CrobatLv 41SharpedoLv 43Weak toFightingBugElectricIcePsychicRockGrass battles you in Sapphire; the scene after sends you to Route 128.
MightyenaLv 41CrobatLv 41CameruptLv 43MightyenaLv 41CrobatLv 41SharpedoLv 43
TM26 EarthquakePokemon Encounters
The deep cavern where the story legendary stirs is light on wild variety, just Zubat, Golbat, and Wailmer through its flooded halls. There is little to catch here that you cannot find more easily elsewhere.
Old Rod2
Good Rod3
Super Rod1Old Rod2Good Rod3Super Rod1Old Rod2Good Rod3Super Rod1Wailmer
Also found in 29 other locations
ITEMS
The Seafloor Cavern holds a single item, but it is a great one: TM26 Earthquake, the strongest Ground move and a staple for half your team.
TM26 Earthquake
Earthquake deals damage, and will hit with double power if the opponent is underground due to the move Dig.
TM26 Earthquake
Earthquake deals damage, and will hit with double power if the opponent is underground due to the move Dig.
TRAINERS
The villain boss makes his stand at the bottom, Maxie of Team Magma in Ruby or Archie of Team Aqua in Sapphire, his team reaching level 43. An admin and a string of grunts guard the descent, so come with full PP for the back-to-back fights.
Seafloor Cavern Guide
Dive on the dark water at the south end of Route 128, which means you need both Surf and Dive plus the Mind Badge to use Dive in the field. Inside, a maze of Strength boulder puzzles leads to the villain team's leader and the legendary's chamber.
Flash is optional in most Hoenn caves. A hiker on Granite Cave's first floor hands you HM05, and the Knuckle Badge lets you use it in the field. Only a few dark rooms in Victory Road really call for it, so teach it to a spare Pokemon and skip the wall-bumping.
In long caves like Victory Road they pay off, letting you reach exits and items without constant low-level battles. Keep in mind a Repel only quiets random wild encounters, so it does nothing about the level-45 Groudon or Kyogre standing in the Cave of Origin, and Shoal Cave's rooms still open and close on the tide no matter what you hold.