Effect: Boosts the power of the holder's Rock type moves by 20%.
Working: Yes.
Location:
- Held by the traded Onix at Violet City.
- Rock Tunnel 1/2, Maniac Tunnel - Dig spots.
- May be held by some wild Pokémon:
#Pokemon   Map                               Area              Daytime  Rarity  MS   Level
Aron       Granite Cave B1F                  Land              D        Tier 8  No   12-14
Corsola    Fishing Staff                     Fish (Super Rod)  M/D/N    Tier 4  No   23-28
Geodude    Dark Cave North                   Land              M/D/N    Tier 1  No   25-29
Geodude    Dark Cave South                   Land              M/D/N    Tier 1  No   3-7
Geodude    Diamond Domain 1F                 Land              M/D/N    Tier 1  No   21-25
Geodude    Diamond Domain B1F                Land              M/D/N    Tier 1  No   21-25
Geodude    Diamond Domain Main Cave          Land              M/D/N    Tier 1  No   21-25
Geodude    Ice Path 1F                       Land              M/D/N    Tier 1  No   21-23
Geodude    Ice Path B1F                      Land              M/D/N    Tier 1  No   18-20
Geodude    Ice Path B2F                      Land              M/D/N    Tier 1  No   21-23
Geodude    Ice Path B3F                      Land              M/D/N    Tier 1  No   17-19
Geodude    Mt. Ember                         Land              M/D/N    Tier 1  No   30-38
Geodude    Mt. Ember Ruby Path 1F            Land              M/D/N    Tier 1  No   34-40
Geodude    Mt. Ember Ruby Path B1F           Land              M/D/N    Tier 1  No   34-40
Geodude    Mt. Ember Ruby Path B2F           Land              M/D/N    Tier 1  No   34-40
Geodude    Mt. Ember Summit Path 1F          Land              M/D/N    Tier 1  No   30-38
Geodude    Mt. Ember Summit Path 2F          Land              M/D/N    Tier 1  No   30-38
Geodude    Mt. Ember Summit Path 3F          Land              M/D/N    Tier 1  No   30-38
Geodude    Mt. Moon 1F                       Land              M/D/N    Tier 1  No   10-13
Geodude    Mt. Moon B1F                      Land              M/D/N    Tier 1  No   10-13
Geodude    Mt. Moon B2F                      Land              M/D/N    Tier 1  No   10-13
Geodude    Rock Tunnel 1                     Land              M/D/N    Tier 1  No   20-24
Geodude    Rock Tunnel 2                     Land              M/D/N    Tier 1  No   20-24
Geodude    Route 46                          Land              M/D/N    Tier 1  No   4-6
Geodude    Three Isle Path                   Land              M/D/N    Tier 1  No   10-20
Geodude    Underground Path Sinnoh Entrance  Land              M/D/N    Tier 2  No   25-30
Geodude    Union Cave 1F                     Land              M/D/N    Tier 1  No   6-10
Geodude    Union Cave B1F                    Land              M/D/N    Tier 1  No   6-10
Geodude    Victory Road Kanto 3F             Land              M/D/N    Tier 1  No   40-43
Graveler   Cliff Cave 1F                     Land              M/D/N    Tier 2  No   22-26
Graveler   Cliff Cave 2F                     Land              M/D/N    Tier 2  No   22-26
Graveler   Cliff Cave B1F                    Land              M/D/N    Tier 3  No   22-26
Graveler   Ice Path B1F                      Land              M/D/N    Tier 2  No   18-20
Graveler   Ice Path B2F                      Land              M/D/N    Tier 2  No   21-23
Graveler   Ice Path B3F                      Land              M/D/N    Tier 2  No   17-19
Graveler   Low Tide Entrance Room            Land              M/D/N    Tier 3  No   30-38
Graveler   Meteor Falls 1F 1R                Land              M/D/N    Tier 3  No   14-20
Graveler   Meteor Falls 1F 2R                Land              M/D/N    Tier 3  No   14-20
Graveler   Meteor Falls B1F 1R               Land              M/D/N    Tier 3  No   14-20
Graveler   Meteor Falls B1F 2R               Land              M/D/N    Tier 3  No   14-20
Graveler   Mt. Ember Ruby Path 1F            Land              M/D/N    Tier 3  No   34-40
Graveler   Mt. Ember Ruby Path B1F           Land              M/D/N    Tier 2  No   34-40
Graveler   Mt. Ember Ruby Path B2F           Land              M/D/N    Tier 2  No   34-40
Graveler   Mt. Ember Ruby Path B4F           Land              M/D/N    Tier 3  No   34-40
Graveler   Mt. Ember Ruby Path B5F           Land              M/D/N    Tier 3  No   34-40
Graveler   Mt. Ember Summit Path 1F          Land              M/D/N    Tier 2  No   30-38
Graveler   Mt. Ember Summit Path 2F          Land              M/D/N    Tier 2  No   30-38
Graveler   Mt. Ember Summit Path 3F          Land              M/D/N    Tier 2  No   30-38
Graveler   Mt. Mortar Upper Cave             Land              M/D/N    Tier 2  No   13-17
Graveler   Mt. Silver 1F                     Land              M/D/N    Tier 1  No   47-50
Graveler   Mt. Silver 2F                     Land              M/D/N    Tier 1  No   50-55
Graveler   Mt. Silver 3F                     Land              M/D/N    Tier 1  No   53-56
Graveler   Rock Tunnel 1                     Land              M/D/N    Tier 2  No   20-24
Graveler   Rock Tunnel 2                     Land              M/D/N    Tier 2  No   20-24
Graveler   Route 45                          Land              M/D/N    Tier 2  No   34-36
Graveler   Safari Johto Mountain Zone        Land              M/D/N    Tier 1  No   17-21
Graveler   Stevens Cave                      Land              M/D/N    Tier 5  No   14-20
Graveler   Three Isle Path                   Land              M/D/N    Tier 3  No   10-20
Graveler   Victory Road Kanto 1F             Land              M/D/N    Tier 1  No   40-43
Graveler   Victory Road Kanto 3F             Land              M/D/N    Tier 3  No   40-43
Lunatone   Meteor Falls 1F 1R                Land              N        Tier 8  No   14-20
Lunatone   Meteor Falls 1F 2R                Land              N        Tier 8  No   14-20
Lunatone   Meteor Falls B1F 1R               Land              N        Tier 7  No   14-20
Lunatone   Meteor Falls B1F 2R               Land              N        Tier 8  No   14-20
Nosepass   Granite Cave B2F                  Land              M/D/N    Tier 7  No   12-14
Nosepass   Jura Cave                         Land              M/D/N    Tier 8  No   20-24
Nosepass   Mt. Ember Ruby Path B1F           Land              M/D/N    Tier 9  Yes  34-40
Nosepass   Mt. Ember Ruby Path B2F           Land              M/D/N    Tier 9  Yes  34-40
Nosepass   Three Isle Path                   Land              M/D/N    Tier 9  No   10-20
Onix       Dragons Den                       Land              M/D/N    Tier 5  No   49-53
Onix       Dragons Den B1F                   Land              M/D/N    Tier 5  No   40-55
Onix       Dragons Den Entrance              Land              M/D/N    Tier 4  No   45-49
Onix       Granite Cave 1F                   Land              M/D/N    Tier 5  No   9-13
Onix       Granite Cave B1F                  Land              M/D/N    Tier 6  No   12-14
Onix       Granite Cave B2F                  Land              M/D/N    Tier 5  No   12-14
Onix       Meteor Falls 1F 2R                Land              M/D/N    Tier 6  No   14-20
Onix       Meteor Falls B1F 1R               Land              M/D/N    Tier 6  No   14-20
Onix       Meteor Falls B1F 2R               Land              M/D/N    Tier 5  No   14-20
Onix       Mt. Moon 1F                       Land              M/D/N    Tier 5  No   10-13
Onix       Mt. Moon B2F                      Land              M/D/N    Tier 5  No   10-13
Onix       Mt. Silver 1F                     Land              M/D/N    Tier 4  No   47-50
Onix       Mt. Silver 2F                     Land              M/D/N    Tier 5  No   50-55
Onix       Mt. Silver 3F                     Land              M/D/N    Tier 5  No   50-53
Onix       Mt. Silver Lower Mountainside     Land              M/D/N    Tier 4  No   48-52
Onix       Rock Tunnel 2                     Land              M/D/N    Tier 4  No   20-24
Onix       Safari Johto Mountain Zone        Land              M/D/N    Tier 4  No   17-21
Onix       Sevault Canyon                    Land              M/D/N    Tier 6  No   12-49
Onix       Union Cave 1F                     Land              M/D/N    Tier 6  No   6-10
Onix       Union Cave B1F                    Land              M/D/N    Tier 8  No   6-10
Onix       Union Cave B2F                    Land              M/D/N    Tier 5  No   6-10
Onix       Victory Road Kanto 1F             Land              M/D/N    Tier 4  No   40-43
Onix       Victory Road Kanto 2F             Land              M/D/N    Tier 5  No   40-43
Onix       Victory Road Kanto 3F             Land              M/D/N    Tier 5  No   40-43
Sudowoodo  Route 36                          Land              M/D/N    Tier 9  No   21-22
My team

Opponent

Matchup matrix (type effectiveness of my attacks vs opponent)

Recommendations
