Horn Drill (move)

Horn Drill (Japanese: つのドリル Horn Drill) is a one-hit knockout move introduced in Generation I. It was TM07 in Generation I.

Generation I
Horn Drill inflicts damage equal to the target's current. Its accuracy is 30%. Horn Drill will break a if it hits.

Horn Drill will not affect a target whose current stat is greater than the user's current Speed stat.

Generation II
The accuracy of Horn Drill now follows the formula below. Acc = ( ( user_level - target_level ) * 2/256 + 76/256 ) * 100% This formula means that the accuracy starts at approximately 30% and grows by approximately 0.78% for every level higher than the target that the user is.

Horn Drill's efficacy is no longer based on the target's Speed; instead, now it cannot affect a target that has a higher level than the user.

In the Generation II core series games only, Horn Drill can be countered by for maximum damage if it misses.

Generations III to VI
The formula for Horn Drill's accuracy is now: Acc = ( ( user_level - target_level ) + 30 ) * 100%

Horn Drill's chance of hitting is now unaffected by and  stats.

Horn Drill can be used as part of a Pokémon Contest combination, with the user gaining an extra two appeal points if the move was used in the prior turn. It is also part of a Contest Spectacular combination and will give an extra three appeal points if any of the moves, and  was used in the prior turn.

Generation VII
Horn Drill's accuracy is now displayed as 30%; however, its accuracy calculation remains unchanged.

Description

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Pokémon Mystery Dungeon series
Horn Drill will cause a Pokémon to instantly faint through "calamitous damage" (changed to "It's a one-hit KO!" in Gates to Infinity), regardless of level, but is prone to missing.

Description

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In the main series

 * In Round One - Begin!, a 's was mentioned to use Horn Drill, even though the move was actually.

Trivia

 * Despite the implied need for a horn or horn-like apparatus to use this move, at least two Pokémon that don't have a horn but gain one upon evolution (Nidorina and Ponyta) can learn Horn Drill.

In other languages
Hornbohrer Perforador Empal'Korne Perforcorno つのドリル 角钻（招式）