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Pokédex - Move Data - Clamp

Home > Pokédex - Move Data - Clamp

Red/Blue Version

TypePowerAccuracyPP
WATER3519110

Multi-turn attack. Unless this attack misses, even if the opposing Pokémon is immune to this attack, the effect begins if this attack isn’t in effect already. (If the opposing Pokémon is immune, the attack still deals zero damage.) Effect lasts for two to five turns (random), including the current turn. 37.5% for two or three turns; 12.5% for four or five turns. During effect, the opposing Pokémon doesn’t attack during each of its attack segments (but can switch) and user uses this attack during each of its attack segments and can’t choose a move each turn (but can switch), and when this attack is used during effect (after the effect begins), deals damage to the opposing Pokémon equal to the last damage dealt (which is not affected by type immunities and without an accuracy check). Effect ends when the user or the opposing Pokémon leaves the battle. Effect ends when the user is prevented from using this attack during effect (in which case the opposing Pokémon still doesn’t attack during its attack segment that turn).

Detailed Information

If the opposing Pokémon switches out before the multi-turn attack’s effect ends, the effect ends and the user will use the last move chosen for use by the user, even if has zero PP. (In that case, if the user is an AI-controlled Pokémon in a battle in which Exp. Points can gained, the user will have chosen a move for use in this turn by itself. ) (If the move is used this way and it has 0 PP, the game erroneously subtracts 0 by 1, resulting in the value 255 (that is, 256 minus 1, wrapping around to 8 bits), or 63 PP (low 6 bits) and 3 PP Ups used (high 2 bits).)

On the last attack segment of the multi-turn attack’s effect, if the user attacks, the effect ends at the end of the turn (the opposing Pokémon "can’t move" during that turn.) Otherwise (for example if the user uses an item), the effect ends before each Pokémon’s attack segment begins.

Gold/Silver Version

TypePowerAccuracyPPEffect Chance (/256)Flags
WATER35191100g

Multi-turn attack. If this attack is successful and isn’t already in effect, the effect begins. Effect lasts for three to six turns, including this turn. During effect, the opposing Pokémon can’t switch out or run, and at the end of each turn except the last, the opposing Pokémon loses 1/16 of its maximum HP (but not less than 1 HP). User can use Teleport to run. User can use Whirlwind or Roar to force switching or running; effect will end if this happens. Effect ends when user or the opposing Pokémon leaves the battle. During effect, user can use this or another multi-turn attack to deal damage, but trapping effect won’t be reset.

Flag g: This attack has an accuracy check. BrightPowder and the like can reduce its accuracy.

Ruby/Sapphire Version

TypePowerAccuracyPPEffect Chance (%)RangeFlags
WATER357510100Single exc. userabef

Multi-turn attack. If this attack is successful and isn’t already in effect, the effect begins. Effect lasts for three to six turns, including this turn. During effect, the target can’t switch out or run, and at the end of each turn except the last, the target loses 1/16 of its maximum HP (but not less than 1 HP). Effect ends when user or the target leaves the battle. The effect is not reset when a Pokémon in battle uses this or another multi-turn attack against the target during effect.

Flag a: This is a direct attack (contact move). Flag b: The target can use Protect or Detect to protect itself from this attack. Flag e: This attack can be used with Mirror Move. Flag f: If the user holds a King's Rock or the like, the target has a chance to flinch if this attack succeeds.

Diamond/Pearl Version

TypeCategoryPowerAccuracyPPEffect Chance (%)RangeFlags
WATERPhysical3575100Single exc. userabef

Multi-turn attack. If this attack is successful and isn’t already in effect, the effect begins. Effect lasts for three to six turns, including this turn. During effect, the target can’t switch out or run, and at the end of each turn except the last, the target loses 1/16 of its maximum HP (but not less than 1 HP). Effect ends when user or the target leaves the battle. The effect is not reset when a Pokémon in battle uses this or another multi-turn attack against the target during effect.

Flag a: This is a direct attack (contact move). Flag b: The target can use Protect or Detect to protect itself from this attack. Flag e: This attack can be used with Mirror Move. Flag f: If the user holds a King's Rock or the like, the target has a chance to flinch if this attack succeeds.

Black/White Version

TypeCategoryPowerAccuracyPPEffect Chance (%)RangeFlags
WATERPhysical358515100Single exc. userabe

Multi-turn attack. If this attack is successful and isn’t already in effect, the effect begins. Effect lasts for five or six turns, including this turn. During effect, the target can’t switch out or run, and at the end of each turn except the last, the target loses 1/16 of its maximum HP (but not less than 1 HP). Effect ends when user or the target leaves the battle or when user is rotated out. The effect is not reset when a Pokémon in battle uses this or another multi-turn attack against the target during effect.

Flag a: This is a direct attack (contact move). Flag b: The target can use Protect or Detect to protect itself from this attack. Flag e: This attack can be used with Mirror Move.

Pokémon that can learn Clamp

The following Pokémon can learn Clamp:

Clamperl

Level 1

Cloyster

  • Ruby/Sapphire Versions and Later, but Before Diamond/Pearl: Level 41 (as Shellder)
  • Diamond/Pearl Versions and Later: Level 25 (as Shellder)

Gorebyss

Level 1 (as Clamperl)

Huntail

Level 1 (as Clamperl)

Shellder

  • Ruby/Sapphire Versions and Later, but Before Diamond/Pearl: Level 41
  • Diamond/Pearl Versions and Later: Level 25

Smeargle

Ruby/Sapphire Versions and Later: Sketch

Pokémon that can learn Clamp in the Game Boy games

The following Pokémon can learn Clamp:

Cloyster

  • Red/Blue; Yellow: Level 1
  • Red/Blue; Yellow: Level 23 (as Shellder)
  • Gold/Silver; Crystal: Level 41 (as Shellder)

Shellder

  • Red/Blue; Yellow: Level 23
  • Gold/Silver; Crystal: Level 41

Smeargle

Gold/Silver; Crystal: Sketch

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