Rock Tunnel

Requirements
Beat Diglett's Cave to get HM Cut.

Enter with a Pokémon that knows HM Flash (obtainable on Route 2 if you use cut on the bush).

Description
Make your way across the maze-like tunnel and find the exit. Battle against multiple trainers, wild Pokemon, and a giant Onix! Can you save the Old Man and finish his quest for a shiny Voltorb? Or will you spend your days on the cave training your Pokemon? Or maybe you will spend your day trying to find a shiny voltorb then do quest.Upon entering, if you do not have a Pokemon that knows HM Flash, the giant Onix will immediately throw you out.If you lose in any part of this you will have to start over again.

Layout
First Wild Encounter:


 * Waves: 10


 * Spots: 8


 * Defending: N/A

Second Wild Encounter:


 * Waves: 20


 * Spots: 8


 * Defending: N/A

Third Wild Encounter:


 * Waves: 30


 * Spots: 8


 * Defending: N/A

Two defensive battles with trainers:


 * Waves: 1


 * Spots: 3


 * Defending: Rare Candy (1)

Two offensive battles with trainers:


 * Retrieve: Rare Candy (1)


 * 80 energy (4 pokemon)


 * 3 enemy towers

Quest
After defeating giant Onix and releasing the old man, If you go back to the entrance of the cave and you have a Level 42 Electrode and Pikachu and catch 10 Pikachus without closing the window, then you can get shiny Voltorb from the Old Man.(see Shiny Quest for more information)

Giant Onix
Giant Onix appears after you have defeated all trainers and all groups of wild pokemon (at least once).

After accomplishing all of these tasks then a giant Onix will be encountered in this part of the cave.

Giant Onix Strategies

 * Use a Venusaur or other strong Grass type with Solar Beam, a Pokemon with Bulldoze, and a Water Pokemon with Water Pulse


 * Use 3 Pokemon with Hydro Pump. (Eg. Blastoise, Gyarados, Suicune, Poliwrath)


 * Use at least 2 Pokemon using Bubblebeam, and 1 Golem using Bulldoze. Some that can use Bubblebeam: Poliwrath, Gyarados etc.


 * Venusaur - Solar Beam / Blastoise - Hydro Pump / Pidgeot - Whirlwind