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To preface this: I think the video below is a great video, and it is pretty informative. However, people who do not know how to achieve ACE on Emerald may lose out. Anyhow, people would likely wonder/worry about how the event has not been known, or ask other questions about it. The point of this thread is to cover what is known regarding this Pichu event. (it's not about ACE) Video in question: Before I explain what this Pichu is, I need to do a brief explanation of WC3. Brief explanation of WC3 (for FRLG and E): Split WC3 sections: Wonder card data (wonder card text and checksum and other settings) and the wonder card script. [more detailed technical breakdown here] The wonder card script literally controls what the delivery person says, what flags get set, and what the delivery person gives. When the debugging versions of the games leaked, it was discovered that certain debugging wonder cards (such as Old Sea Map, Aurora Ticket, Altering Cave, a Pichu egg etc) were stored in the debugging game. It was also discovered that in the games, the wonder card script is stored separately from the wonder card header. (It was later discovered that the debugging games have a local distribution mode. The wonder cards can be found here) So what is this Pichu? 1) First angle of attack at the problem. Using the dialogue that the hipster-delivery person hybrid spoke, I was able to find the egg Pichu script. (just in case you wanna try it for yourself, be aware that Gen 3 text uses the character encoding) I compared the Pichu Egg script found in the final game, against the Pichu Egg script for debug wonder card (for Emerald). The image below is the comparison. Left data is script from the debugging wonder card, right data is the Pichu egg script taken from ENG Emerald game. Note: offset is 0x674D3D of Final game (ENG), 0x3E4 in size. Besides the offset pointers being different, the rest of the script are almost mostly the same. (If you're curious on how to identify offset pointers, it's B8 XX XX XX 08. For example, in the data of the right, it's B8 3D 4D 64 08. When you account for endianness, it points to 0x674D3D, as mentioned above) 2) Second angle of attack at the problem. The video linked to a pastebin with the relevant codes (useful if you wanna try it out). Comparing to the pastebin (https://pastebin.com/dFLaf2TB), if we ignore the 8 in that highlighted value below (could just be RAM address or something; I imagine ROM data is stored in RAM starting from 0x8000000) You can see that the highlighted value is the same value as the offset I found in (1) [this means the data I found is indeed the correct data] Conclusion/TL;DR: The Pichu Egg is merely a leftover script of a wonder card that was in the debugging versions of the game. There are other scripts that were leftover, such as changing the species in Altering Cave, getting Old Sea Map, getting Aurora Ticket, getting Mystic Ticket etc.

Edited ROMs can only be played on exploited consoles. Please do not ask (nor private message me) how to obtain/dump/decrypt/unpack/repack ROMs as that is unrelated to the functionality of this program. Download Link At Bottom of Post pkNX is a ROM editor for the Nintendo Switch Pokémon games with tools to edit various game data. All editors displayed are fully functional. Simply feed it a folder (drag/drop or by File->Open) which contains the game romfs & exefs extracted content folders. Edited files will be saved to a patch folder (named after the game's title ID), and will preferentially load edited files before defaulting back to the unmodified files in the romfs/exefs folders. Edited files are only saved when the program closes, and edits in individual windows can be discarded by hitting Close (X) rather than Save. Randomizers available: Trainer Battles (Pokemon / Items / Moves / Difficulty / Classes) Wild Encounters (Species, Level) Personal Data (Pokemon Types / Stats / TM Learnset) Move Learnset (Level Up) Evolutions etc Download the latest version here (click on latest run at the top, then click Artifacts - published, and download the folder) Source code is available on my GitHub.

A wise man once told me that you can just simply open two different saves with different OTs then drag and drop your Pokémon to the other save. That should simulate a trade.

Just wanted to suggest something. I don't know if this would be possible at all, but it would be really cool if there was a way to edit the 3 legendary pokemon you can save down in the max lair in Crown Tundra so you can go find them. When you invite others connected to the internet, you can actually find the other version's exclusives.