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Diglett's Tunnel
Pokémon Sun and Moon

Diglett's Tunnel

Navigate Diglett's Tunnel in pokemon sun moon to reach Olivia's grand trial. Find Dusk Ball, Escape Rope, Fire Stone, and more.

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Navigate Diglett's Tunnel in pokemon sun moon to reach Olivia's grand trial. Find Dusk Ball, Escape Rope, Fire Stone, and more.

To reach Olivia’s grand trial in pokemon sun moon, you’ll need to pass through Diglett’s Tunnel, located south-west from the Heahea City Pokemon Center. Inside, head south to meet Olivia. If you attempt to pass before you're ready, she will stop you.

From Olivia, continue south to a fork. Take the narrow eastern path. At the next fork, the top path leads to a trainer, while the bottom path continues onward.

Walkthrough
  1. 1
    Head east from the fork, then take the narrow path.
  2. 2
    At the next fork, choose the bottom path to proceed unhindered.
  3. 3
    Pick up the Dusk Ball in the north-east corner.
  4. 4
    Return to the initial fork and head west into the tunnel.
  5. 5
    You will encounter Black Belt Greg, who will not battle you until you defeat other trainers.
  6. 6
    West of him, find an Escape Rope among a pile of rocks.
  7. 7
    Continue west, then turn north past metal stairs.
  8. 8
    Use Tauros Charge west through rocks to find a Fire Stone.
  9. 9
    Return to the metal stairs and go up.
  10. 10
    You will encounter Aether Foundation Employees.
  11. 11
    Continue south, then east, and grab the Hyper Potion near a trough.
  12. 12
    Follow the narrow path south from the trough.
  13. 13
    Past a burrowing Pokemon circling a rock mound, head north.
  14. 14
    Find a boulder cube on the left and a trainer on the right (Worker Jeff).
  15. 15
    Defeat Worker Jeff (Level 21 Rock-type Diglett, Level 22 Ground-type Mudbray). Water and Grass moves are effective.
  16. 16
    Jump the ledge east of Jeff and continue east past the trough.
  17. 17
    Encounter a Pokemon trainer walking clockwise around central rocks (Worker Vaclav).
  18. 18
    Defeat Worker Vaclav (Level 22 Fighting-type Machop). Flying, Psychic, or Fairy Pokemon are recommended.
  19. 19
    On the north side, search a crate with a pickaxe for a hidden Nugget.
  20. 20
    To the right, find Zygarde Cell (28).
  21. 21
    South of the Zygarde Cell, you will be stopped by Team Skull Grunts. Hau will arrive to help.
  22. 22
    Defeat the Team Skull Grunts (Level 22 Fire/Poison-type Salandit, Level 22 Grass-type Fomantis). Ground moves are 4x effective against Salandit.
  23. 23
    Hau will give you a Max Elixir and heal your Pokemon.
  24. 24
    Continue south to exit the tunnel.
  25. 25
    To challenge Black Belt Greg, head north-east from the exit, then east along the narrow path. Hop over the ledge to return to where you met Worker Frank. Travel east back towards the north entrance to find Black Belt Greg.
  26. 26
    Defeat Black Belt Greg (Level 23 Fighting-type Hariyama). Flying and Fairy-types are recommended. He uses Fightium Z and Knock Off.
  27. 27
    Defeating Greg earns you a Max Revive.
Tips
  • Alolan Diglett is weak to Water, Ground, and Fighting-type moves.
  • Worker Jeff's Pokemon are weak to Water and Grass moves.
  • Worker Vaclav's Machop is weak to Flying, Psychic, and Fairy moves.
  • Salandit takes 4x damage from Ground moves.
  • Fomantis is weak to Fire, Flying, Bug, and Poison moves.
  • Hariyama is weak to Flying and Fairy-type moves.

Encounters:

  • Diglett (Alolan Form): Everywhere/Ambush (30%/100%) - Rock/Steel
  • Zubat: Everywhere (70%) - Poison/Flying

Trainer Pokemon:

  • Worker Frank: Diglett (Alolan) - Level 22 - Ground/Steel
  • Worker Jeff: Roggenrola - Level 21 - Rock; Mudbray - Level 22 - Ground
  • Worker Vaclav: Machop - Level 22 - Fighting
  • Team Skull Grunt & Team Skull Grunt: Salandit - Level 22 - Fire/Poison; Fomantis - Level 22 - Grass
  • Black Belt Greg: Hariyama - Level 23 - Fighting

Items:

  • Dusk Ball
  • Escape Rope
  • X Attack
  • Fire Stone
  • Hyper Potion
  • Nugget
  • Zygarde Cell (28)
  • Max Elixir (from Hau)
  • Max Revive (from Black Belt Greg)

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