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Unown 0x1C (dec:028) is a glitch Unown in Pokémon Gold and Silver.

This glitch Unown's entry may cause the "Ilsty and ?" effect.

It also has the side effect of giving the player 201 mail in the mailbox, and setting a glitch Mystery Gift trainer. It may also set TM03 as the Mystery Gift item.

Obtaining it

It can be seen with ????? party overloading when withdrawing 5 Pokémon from a full party (putting them at the top of the party each time) when having a fifth party Pokémon with a Defense stat of 28 modulo 256 (see the glitch Unown article for steps and more information).

This will put glitch Unown hex:1C (dec:28) as the first Unown in Unown Mode of the Pokédex, but it has the bad side effect of corrupting the player's party Pokémon, the withdrawn PC Pokémon and the seen and own addresses for the Pokédex.

With a cheating device, they can be seen with the GameShark code 011C24DC. This cheat also changes the first Unown in Unown Mode of the Pokédex.

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Ilsty and ? effect

This effect occurs only in Pokémon Gold and Silver and happens when trying to view the glitch Unown hex:1C (dec:28).

Ilsty and ? appear on an evolution screen but are not obtainable Pokémon.

The game will switch to the evolution screen, display a glitchy area of text, then act like a Pokémon named "ILSTY I PkPkPkHpPOKé ÄMn POKé" is evolving into a Forretress, even though the picture does not change to Forretress's sprite. Afterwards, a Graveler named "?" will evolve into Golem with the correct picture. The game will reset in a Glitch Dimension afterwards. No other variation of the effect has been documented.

image:Ilsty1.png|The glitchy area of text. image:Ilsty2.png|"Congratulations, your ILSTY I PkPkPkHpPOKé ÄMn POKé" image:Ilsty3.png|"evolved into FORRETRESS." (note the picture is not Forretress' sprite)

image:Questionmark1.png|"What? ? is evolving!" (? has Graveler's picture) image:Questionmark2.png|"Congratulations, your ?" image:Questionmark3.png|"evolved into GOLEM."

Trainer House Trainer

This glitch trainer is known as ÖéÖéÖéÖéÖéÖTY.


PokemonSpeciesLevelMove 1Move 2Move 3Move 4
1Stantler193ForesightMorning SunForesightMorning Sun
2Stantler193ForesightMorning SunForesightMorning Sun
3Stantler193ForesightMorning SunForesightMorning Sun
4Stantler193ForesightMorning SunForesightMorning Sun
5Stantler193ForesightMorning SunForesightMorning Sun
6Stantler193Morning SunForesightMorning SunForesight

  • Youtube video of getting Ilsty and ? without cheats.
  • Youtube video of the glitch (sped up).