Prevents the target from leaving battle and inflicts 1/16 its max HP in damage for 2-5 turns.
Inflicts regular damage. For the next 2–5 turns, the target cannot leave the field and is damaged for 1/16 its max HP at the end of each turn. The user continues to use other moves during this time. If the user leaves the field, this effect ends. Has a 3/8 chance each to hit 2 or 3 times, and a 1/8 chance each to hit 4 or 5 times. Averages to 3 hits per use. If the target is in the first turn of dive, this move will hit with double power.
Move descriptions from different games
"Traps the foe for 2-5 turns."
"Traps the foe for 2-5 turns."
"Traps and hurts the foe in a whirlpool for 2 to 5 turns."
"Traps and hurts the foe in a whirlpool for 2 to 5 turns."
"The foe is trapped in a fast, vicious whirlpool for two to five turns."
"The user traps the foe inside a fast, vicious whirlpool that lasts for two to five turns."
"The user traps the foe inside a fast, vicious whirlpool that lasts for two to five turns."
"Traps the foe inside a whirlpool that lasts for two to five turns. The user can pass through whirlpools."
"Traps foes in a violent swirling whirlpool for four to five turns."
"Traps foes in a violent swirling whirlpool for four to five turns."
"The user traps the target in a violent swirling whirlpool for four to five turns."
"The user traps the target in a violent swirling whirlpool for four to five turns."
"The user traps the target in a violent swirling whirlpool for four to five turns."
"The user traps the target in a violent swirling whirlpool for four to five turns."
"The user traps the target in a violent swirling whirlpool for four to five turns."
"The user traps the target in a violent swirling whirlpool for four to five turns."
"The user traps the target in a violent swirling whirlpool for four to five turns."
"The user traps the target inside a violent, swirling whirlpool that inflicts damage for four to five turns."
How move stats changed over generations
Move combinations that work well together in contests
Detailed effect when used in contests
Prevents the Applause Meter from rising for the rest of the turn.
"Temporarily stops the crowd from getting excited."
Detailed effect when used in super contests
"Earn a higher score the later the Pokémon performs."