King’s Rock is an item in the “Held items” category (Items). It costs ₽5000.
In-game descriptions
| Ruby / Sapphire · Emerald | A hold item that may cause flinching when the foe is hit. |
|---|---|
| FireRed / LeafGreen | An item to be held by a POKéMON. It may cause the foe to flinch upon taking damage. |
| Diamond / Pearl · Platinum · HeartGold / SoulSilver | An item to be held by a Pokémon. It may cause the foe to flinch when the holder inflicts damage. |
| Black / White · Black 2 / White 2 | An item to be held by a Pokémon. When the holder inflicts damage, the target may flinch. |
| X / Y · Sun / Moon · Ultra Sun / Ultra Moon · Let’s Go, Pikachu! / Let’s Go, Eevee! · Sword / Shield | An item to be held by a Pokémon. When the holder successfully inflicts damage, the target may also flinch. |
Where to find it
| Place | Games | How | Tile |
|---|---|---|---|
| Sevault Canyon | FRLG | on the ground | 18, 45 |
Held by wild Pokémon (Generation 3)
Common: 50% · rare: 5% (60% / 20% with Compound Eyes in the lead), from SetWildMonHeldItem.
| Rare |  Poliwhirl  Poliwrath  Slowpoke  Slowbro  Politoed  Slowking  Hariyama |
|---|
Sources : PokeAPI (items, item_flavor_text, machines) · atlas · pokeemerald species_info.h