Pomeg glitch

Major glitches of the Pokémon series

Arbitrary code execution

0x1500 control code arbitrary code execution (Crystal) | Cart-swap arbitrary code execution | Generation I custom map script pointer | Generation I invalid meta-map scripts | Generation I item ("8F", "ws m", "-g m", "5かい", "てへ" etc.) | Generation I move ("-", "TM42") | Generation I Trainer escape glitch text boxes | Generation II bad clone | Generation II Burned Tower Silver | Japanese Crystal Pokémon Communication Center SRAM glitches | Coin Case glitch | Generation II glitch Pokédex sortings | Pikachu off-screen glitch ACE | OAM DMA hijacking | Pikachu glitch emote | Generation III glitch Pokémon summary | Generation III glitch move animation) | Remote code execution | TM/HMs outside of the TM/HM pocket | ZZAZZ glitch Trainer FC

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No further extensions

Cloning | Item duplication glitch (Generation I) | Pokémon merge glitch ("Q Glitch", Generation I) | Time Capsule exploit | Bug-Catching Contest data copy glitch (Generation II, Japan only) | Berry glitch | Battle Tower Lati@s glitch (Generation III) | (Mimic) Transform Rage glitch (Generation IV)

Transform held item glitch (Generation IV, Japan only) | Mimic glitch (Generation IV, Japan only)

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Buffer overflow techniques

99 item stack glitch | LOL glitch | Rival LOL glitch | Instant LOL glitch | RAM LOL glitch | Out of bounds LOL glitch | blockoobLG | Instant encounter infinite chain glitch | LGFly | Super Glitch (Generation I) | Party remaining HP glitch | Super Glitch (Generation III) | Text pointer manipulation mart buffer overflow glitch | CoolTrainer♀-type move | Double distort CoolTrainer♀ corruption | Yami Shop glitch | Party Pokémon box data shift glitch | Unterminated name glitch item instant encounter (Japanese Red/Green)

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Item stack duplication glitch (Generation I)

Generation I expanded items pack (Glitch Rocket HQ maps, Map FE (English and non-English European Yellow) | Map script pointer manipulation (arbitrary code execution | Map script pointer item ball manipulation) | Text pointer manipulation (arbitrary code execution | Item ball manipulation | Mart buffer overflow) | Trainerless instant encounter glitch

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Bad clone glitch (Generation II)

????? party overloading (Type 0xD0 move glitch | ????? map corruption | Celebi trick | Celebi Egg trick | Shiny Celebi trick | Glitch move map corruption | Overloaded party map corruption | Glitch Unown (Glitch Unown map corruption) | Duplicate key items glitch (Infinite items and item creation, Expanded Balls pocket (Wrong pocket TM/HMs, Glitch Pokédex categories))

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Closed menu Select glitches (Japanese Red/Green)

Dokokashira door glitch (International) | Fossil conversion glitch (international) | Second type glitch | Skip to Level 100 glitch | Trainer mutation glitch | Walk through walls (International) | Lift glitch | Badge describer glitch

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Pomeg glitch (Generation III)

Pomeg data corruption glitch ("Glitzer Popping") | Charm glitch

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Voiding (Generation IV)

Tweaking

Broken escalator glitch (Japan only) | Elite Four door glitch (Japan only)

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2x2 block encounter glitches (Generation I)

Left-facing shore tile glitch (in-game trade shore encounter trick, Old man trick, Trade link up shore encounter trick, Fight Safari Zone Pokémon trick) | Viridian Forest no encounter grass tiles glitch

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Glitch City

Safari Zone exit glitch | RAM manipulation | Out of bounds Glitch City (Generation II) | Slowpoke Well out of bounds corruption (French Gold/Silver/Crystal)

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Large storage box byte shift glitch

Storage box remaining HP glitch | Generation I max stat trick

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Pikachu off-screen glitch

Trainer corruption glitch

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SRAM glitches

Generation I save corruption | 255 Pokémon glitch | Expanded party encounter table manipulation (Generation I) | Send party Pokémon to a new game (Generation I) | Generation II save corruption | Mailbox glitches | Mystery Gift item corruption | Trainer House glitches

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Trainer escape glitch

Death-warp | Ditto trick | Experience underflow glitch | Mew trick | Text box ID matching | Meta-map script activation

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Walk through walls

Ledge method | Museum guy method | Rival's effect | Select glitch method (International Select glitch method), Brock Through Walls

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Surf down glitch

Grass/rock Surfing glitch (Spanish/Italian only) (adaptions: Submerge glitch (international)) | 8 8 (0x7C) grass/rock surfing glitch (English Red/Blue))

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This article is incomplete. Please feel free to add any missing information about the subject. It is missing: {{{1}}}.

The Pomeg glitch or Pomeg Berry glitch is an oversight regarding the Pomeg Berry's ability to decrease HP EVs. It allows a Pokémon to attain 'negative' health.

If the player uses a Pomeg Berry at a low amount of HP, the glitch may be abused to reduce the Pokémon's HP below zero. Its HP will then roll down from (2^16)-1 or 65535 HP due to hitpoints being a unsigned, two byte integer. In Emerald Version, this enormous health quantity will be displayed as '?35'.

The consequences of the glitch vary depending on the game in which it is exploited. Reducing a Pokémon's HP to negative values through use of a Pomeg Berry has been made impossible in all games from Black/White onwards.

Requirements

1. A Pomeg Berry(s) and a HP Up(s). The Battle Tower cloning glitch may be valuable in this regard.
2. A Pokémon with at least 10 HP EVs.
3. A Pokémon with a relatively low amount of HP; this will depend on the level of the Pokémon, and can be a higher value if the Pokémon has more than 110 HP EVs.

Procedure

1. Obtain a Pokémon whose HP will increase by 2 or more through use of a HP Up. The Pomeg Berry will reduce its health by this amount later.
2. Reduce this Pokémon's health to 1 (or enough so that its health will be lowered to negative by the Pomeg Berry).
3. Use a Pomeg Berry such that the amount of HP that the Pokémon has drops below -1 (65535) or lower.

Consequences

Once a Pokémon attains this HP value, it may be exploited to abuse other oversights in the game.

Most notably, the Pokémon's health will become 0 when a healing item (Potion, Oran Berry, etc.) is used on it. This means that the player may have a team that is unable to battle, but will not white out as normal.

Pokémon with ?35 HP may be traded to Pokémon Ruby/Sapphire Versions as well as Pokémon FireRed/LeafGreen Versions, where different sub-glitches may take place.

However, the large amount of HP will be healed away if traded to Pokémon Colosseum or Pokémon XD: Gale of Darkness. If migrated to Pokémon Diamond/Pearl/Platinum or HeartGold/SoulSilver Versions, the Pokémon's health is also restored to normal values as it is deposited into the PC.

Pokémon Ruby and Sapphire

Using a recovery item

In Pokémon Ruby and Sapphire Versions, using healing items on a Pokémon with ?35 HP (or similar HP values) will not cause the Pokémon to faint. Instead, the Pokémon will be healed to full health. In Diamond, Pearl and Platinum Versions (and probably HeartGold/SoulSilver Versions, though this remains untested), healing items cannot be used on Pokémon with HP values below 0.

However, it is still possible to cause Pokémon to faint outside of battle without whiting out in these games, as it is only healing items specifically that cannot be used. HP Ups can be used to gain the exact amount of HP required to raise a Pokémon's health to 0, for example. Rare Candies and evolution stones may be used similarly.

Pokémon Emerald

Various Egg tricks

When the player's last active Pokémon is fainted through use of a Pomeg Berry, Eggs may be forced to battle when they are in the first slot. In this case, the Pokémon inside the Egg is sent into battle. An Egg will count as a 'fainted Pokémon' if the Pokémon inside of the Egg faints in battle and the player wins.

When an Egg is sent into battle, the Pokémon inside the Egg will be displayed, with its palette changed to that of the red-and-beige Egg. The Pokémon inside of the Egg is capable of leveling up; hence, it is possible to hatch an Egg into a Pokémon in a secondary or final evolutionary stage. If a Nincada is evolved while in an Egg, an extra Egg will appear in the party after that battle if there is an open slot. This Egg will hatch into a Shedinja.

Pokémon that evolve through trading (Graveler, Machoke and Kadabra) will evolve if traded to another game while in an Egg. This will cause the amusing declaration that "Egg is evolving!" followed by the traditional evolution sequence with an Egg slowly evolving into a Golem, Machamp or Alakazam.

Battling Eggs may be Poisoned, and can faint in the overworld as a result. The player will not white out, and the message that announces that the Poisoned Pokémon has fainted will not appear. If there is another non-fainted Pokémon in the player's party, the player will constantly encounter brief delays when travelling, as the game treats the Egg as though it has faints every 4 steps.

Fainted Eggs may be revived to full health using a Sacred Ash, but this will not cure status conditions (including Poison). When this occurs, the Egg's full HP value will be momentarily displayed.

Partially sending out an opponent's Pokémon

A phenomenon unique to Pokémon Emerald's game engine allows the player to send out an opponent's Pokémon. To perform this trick, the player should only have two Pokémon in his or her party; one which is fainted and another with a relatively low amount of HP to take advantage of the Pomeg glitch. If the player exploits the Pomeg glitch to deplete the Pokémon's HP to at least -1 (65535) and uses a recovery item to increase it back to zero (once reaching zero, the item will not recover any more health) the player will not black out and gains the ability of entering a battle for one turn before blacking out again.

By entering a trainer battle and using a Revive on the second Pokémon however, for reasons unclear after the first Pokémon falls the game will act as if the trainer is going to switch Pokémon. If the player attempts to switch a Pokémon but then cancels, he or she will send out a Pokémon with the defined species data, as stored in the game's RAM of the next opponent's Pokémon. The Pokémon is not identical, for example the Pokémon's type is often different.

Sending out a ??????????

The Pomeg glitch may be used to send out a '??????????', or 'Decamark', into battle in Ruby, Sapphire, FireRed, LeafGreen and Emerald versions. (Doing this in R/S/FR/LG requires the Pokémon with ?35 HP to be traded from an Emerald version.)

The player's team must consist of at least three Pokémon:

1. A Pokémon with ?35 HP (in the first slot)
2. A fainted Pokémon or an Egg (the player may have as many as they like) #A Pokémon to switch into (in the last slot).

Enter a battle, and switch from the Pokémon with ?35 HP into the Pokémon in the last slot. Escape from battle and get rid of the Pokémon in the last slot that was switched into. (It can be deposited in the PC, released, or put into the Day Care - but it must no longer be in the party.)

After using a healing item to faint the Pokémon with ?35 HP, entering a battle will cause the player to send out a '??????????'/'Decamarks'.

Pokémon FireRed and LeafGreen

Sending out a "óË {é Áî"

Reported by VaeporSage Verified by VaeporSage

óË {é Áî is an unexplained phenomenon similar to B óË Án.

óË {é Áî will be 'sent out' by the player if he or she trades a Pokémon with an amount of HP between -32767 (32768) and -1 (65535) HP, acquired from the Pomeg glitch in another version to Pokémon FireRed or Pokémon LeafGreen. If the player heals the Pokémon such that it rises and stops at zero HP; the steps from the "sending out an opponent's Pokémon" sub-glitch in Pokémon Emerald presumably becomes possible, although the end result is different. If these steps are performed by the player, he or she will send out an invalid Pokémon with an unknown identifier, with the name "óË {é Áî", associated with a never ending battle animation of Conversion.

Status screen errors

If a Pokémon with "negative HP" is traded to Pokémon FireRed and LeafGreen from another version, the status screen becomes unstable when the information regarding that Pokémon is stored into the game RAM. If the status of the relevant Pokémon is viewed and the player switches to another Pokémon, the game will often freeze, this might suggest that in FireRed and LeafGreen, the pointers used in the status screen for an amount of HP too large will not hold the amount of HP on the status screen for a previous Pokémon but rather change the value of another unrelated byte, causing instability.

Reported by VaeporSage Verified by VaeporSage

Pokémon Diamond, Pearl and Platinum

Sending out a placeholder of identifier 000

Reported by Ownagemuch Verified by Various

Notes

1. Shedinja cannot be used to exploit the Pomeg glitch regardless of its effort value in hitpoints because its HP will always remain at 1.
2. If the Pokémon receiving 'negative HP' knows or learns the move Softboiled, it can be used to restore the hitpoints of many Pokémon, without the need of large amounts of recovery items.