Horn Drill and Fissure glitch

Miscellaneous glitches of Pokémon Gold and Silver and Pokémon Crystal

Battle transition oversight | Change player color glitch (Crystal only) | Daylight Saving Time exploit | Get all three starters (Generation II) | Glitch Unown | Glitch dolls | Horn Drill and Fissure glitch | Unused and redundant Egg moves

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The Horn Drill Glitch is a glitch in the Generation II Pokémon games, which causes the move Counter to deal infinite damage when Horn Drill is used by the other Pokémon and misses.

This is considered a glitch for two main reasons: one is that in Generation II, Horn Drill is the only one-hit knockout move compatible with this glitch. The second is that in Pokémon Stadium 2, the glitch no longer occurs, both reasons suggesting that this was unintended.

Requirements

• A Pokémon that knows either Horn Drill or Counter.
• Another Pokémon that the above will fight, which knows either Horn Drill or Counter (whichever the other one doesn't know.)

Procedure

• Have Horn Drill and Counter be used by the Pokémon in the same turn, and have Horn Drill miss.
• The Counter-using Pokémon will deal infinite damage to its opponent.