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Author Topic: Rotom = Meditite (Pomeg Glitch, Platinum)  (Read 132 times)

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map233224

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Rotom = Meditite (Pomeg Glitch, Platinum)
« on: March 21, 2020, 02:29:25 am »
Alright, this will need to be updated once we get more information on the subject, but here's the current situation :

It has been theorized that the Pomeg Glitch in Diamond, Pearl & Platinum (or more broadly speaking, having 6 Pokémon knocked out in your party) will allow you to encounter and catch any Pokémon species when encountering Rotom (and potentially other stationary Pokémon, but this is the easiest one to access in the game).

Here's the current setup for Pokémon Platinum (US) :

• TID = 0x8888 and SID = 0x422A (obtained with seed 0x9B061572)

Now you need to get a party of 6 knocked out Pokémon, a consequence of the GEN 4 Pomeg Glitch. The fastest way to setup the Pomeg Glitch from a fresh save is to manip this specific Golduck by tweaking on the Surf tiles of Route 205 just left of Eterna City :

• Hit seed 0xA8040757 and frame 45 (method J, surfing) to encounter a Lv 39 Golduck (PID = 0x994714D8).

Once you've hit the seed, you do left-right on your Bike and use Honey (flee the Lv 30 female Psyduck), then left-right 14 times, use Honey and catch the Lv 39 male Golduck. This Golduck is a beast so you should beat Fantina and Barry quite easily.

• Once your 5 other Pokémon are KO, put Golduck in front and use 4 HP Up, then get down to 1 HP (Poison Sting from a wild Wurmple in Eterna Forest is the fastest), use 3 Pomeg Berry and use a Rare Candy. It is very important that you do not gain any HP EVs before doing these steps.

You can buy HP Ups from the Veilstone Department Store, and reset for Pomeg Berry at the Berry Master's house on Route 208 (every time you get a Pomeg Berry, save, set the time to 23:59, get back in game, save and talk to him when the time hits 00:00, reset if you don't get a Pomeg Berry).

Now you need to manipulate Rotom in Old Chateau.

• Rotom's PID = 0x09E07196 (seed 0x66010338, frame 1, method J stationary)
• ASLR = 0x0227116C (more on how to manip this in the future)

Now, if you've done all of this correctly, you will encounter a Lv 221 female Meditite, which you can perfectly catch (it will even trigger its Pokédex entry if you've never caught one).

The Proof of Concept video : https://www.youtube.com/watch?v=Cidiu16C_Bk

This Meditite has Scrappy (which it really shouldn't have lol), 44 Ribbons, 4 glitch moves, the Fateful Encounter flag and is sent back to level 100 once caught. You can breed it, and it is thought to be more interesting to get a Lv 1 (or at least a low level) Pokémon, so that the Day Care will get rid of its glitch moves after a bit of biking around, knowing that they pretty much always crash the game when interacting with them.

The community is actively researching the process behind the generation of such Pokémon, in the hopes that we can manipulate entirely what we get (species, held items, abilities, moves, etc...). I hope we break these games soon !
« Last Edit: March 21, 2020, 02:43:43 am by map233224 »

Evie the Bird Mother 🌸 ☽

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Re: Rotom = Meditite (Pomeg Glitch, Platinum)
« Reply #1 on: March 21, 2020, 03:42:41 am »
Hmm. Maybe grabbing a PKM file of the intended Rotom and the Meditite might help? Maybe we could compare the bytes. The difference in their index numbers is also 0xAC(?)
« Last Edit: March 21, 2020, 03:43:42 am by Evie (retired from head adminship) »
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BUGLITCH

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Re: Rotom = Meditite (Pomeg Glitch, Platinum)
« Reply #2 on: March 21, 2020, 06:32:37 am »
Nice write up!

It's bit of a shame that the Battle Corruption's output is mainly based on RNG but as it's the case it's worth investigating as it's the only way we'll get to manipulate it anyway.
Being able to calculate the TID/SID, Rotom's PID and ASLR to get a custom Pokémon would be great and also the only way to get custom Pokémons so far.

We should also maybe find another stable battle because Rotom can only be fought once (Though I'm not sure anyone sane would attempt this method twice, especially because TID/SID has to stay the same).

LeapingRiolu

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Re: Rotom = Meditite (Pomeg Glitch, Platinum)
« Reply #3 on: March 25, 2020, 11:25:27 pm »
Arceus is actually treated as a static encounter for purposes of this glitch, so while it would be tedious this is possible to repeat, albeit not with this exact setup I'd presume as this is for rotom. Not sure if the static mon effects, that'd be a question for MAP.