was the eighth
caught in the
Ash's Boldore as a Roggenrola.
Ash caught his
after he helped it to save a group of some other
. After an intense battle with
, Ash caught it. It was used again in
BW038: Where Did You Go, Audino?
in order to search for the missing Audino in a town.
BW050: Battle For The Underground!, it used Flash Cannon alongside Tepig's Ember (Flamethrower) and Axew's Dragon Rage to escape from Dr. Zager's helicopter at the Battle Subway.
BW062: Stopping the Rage of Legends! (Part 2) it saved Tornadus, Thundurus and Landorus by using Flash Cannon on the helicopter piloted by Dr. Zager over and over again until joined by Pikachu, Axew, Emolga and Pansage to destroy the cages the trio was in.
BW063: Battling the King of the Mines! Ash used it to battle Clay's Excadrill. During the battle it evolved and at the same time learned Rock Smash and Rock Blast and helped Ash win the Quake Badge.
It appears again in
BW065: Evolution Exchange Excitement! were it had a Tag battle with Cilan's Crustle against Profesor Juniper and Bianca's Accelgor and Excavalier Boldore put up a good fight managing to inflict some damage with Rock Blast, Rock Smash and Flash Cannon but it was defeated by a double Hyper Beam attack.
BW085: Rocking the Virbank Gym! (Part 1) Ash used Boldore to battle against Roxie's Koffing. Boldore used Sandstorm but Koffing hang in there and used Clear Smog. Boldore also used Rock Blast but it was blocked by Koffing Gyro Ball. After Boldore used Flash Cannon, Koffing avoids it and used another Gyro Ball, defeating Boldore.
BW093: Battling Authority Once Again! it battled against Geraldo's Reuniclus in the Junior Cup. It was successful, allowing Ash to move on to the semi-finals.
Boldore is the first -type Pokémon Ash has caught.
Rock Boldore is the second of Ash's Pokemon to evolve during a Gym battle, the others are Ash's Leavanny and Ash's Unfezant.
Boldore is Ash's first Unova Pokémon to use its Ability in battle.