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How to Create New Evolutionary Stones: Step by Step

karatekid552 said:
Look man, errors like this can range from a simple byte range to entire chunks of your rom being screwed over. I don't have the time to search your rom for the issue. I wish I did, but I just don't.
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Is that so? Maybe my rom had screwed up. I waiting for someome help but i will try my best to solve this. Fortunately i have recent backup. If you have free time let me know. Thx karatekid552!
 
i did exactly what you said in the tut and it doesnt work. Oak just tells me it isnt the time to use it and also if i dont use a save file i get a white screen on my emulator
btw im using mrdollsteaks patch
 
Sorry to disturb you but i dont understand this step:
Step 2) Take the item number, and subtract the item number of a Potion from it, which is D. This is because the table we are going to edit starts and potion.
 
DizzyEgg said:
Hey, could you tell me what exactly is "G3T"?
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Yeah G3T first of all stands for "Gen 3 Tools." Now you may noticed I said tools and not tool. This is because G3T is a compilation of five different tools. A move editor, a trainer editor, a Pokemon editor, a item editor, and it can even de-capitalize words in your rom. Here's a link to the tool if you'd like to download it: https://www.pokecommunity.com/showthread.php?t=311461
 
What if I want to be able to use a certain item, say, Metal Coat for Onix, in the same manner as an evolution stone?
 
Last edited:
LanceD said:
What if I want to be able to use a certain item, say, Metal Coat for Onix, in the same manner as an evolution stone?
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Well, as far as I'm conecerned, you can't do that. but you can always create a new Item with the same picture and a different name and follow the tutorial
 
Hi, I have a question because I don't understand very much the tutorial because i have a very low english level (I'm venezuelan) and if this tutorial have a video, i be very grateful.
 
It didnt work for me... It says It didnt hace any effect and went back to menú in my edited pokemon... Any idea?
 
Has someone not made a patch for all the new stones?? If so can someone pm me the link :)
 
karatekid552 said:
How to create a new Evolutionary Stone



I have seen people asking for this several times, so I decided to write my first full length tutorial on the subject. As of right now, this post will not have images, but if anyone does find need of them, just ask.




Note: Every number in this tut should be in Hex unless otherwise specified.


Requirements:

-An Advance Gen Rom
-A hex editor (HxD works well)
-Item Manager (PGE DOES NOT WORK!)
-Free Space Finder (FSF)
-Some time
-A brain



Step 1) Follow DavidJCobb's Item Creation tutorial and make the new item look completely the same as another evolutionary stone already in existence, only changing its name and description. Please note, that this tutorial can only use the empty item numbers between Potion and Sitrus Berry.

Step 2) Take the item number, and subtract the item number of a Potion from it, which is D. This is because the table we are going to edit starts and potion.

Step 3) Now, multiply the number we got in step 2 by 4.

Step 4) Take this number and add it "OffsetA". (Which is found in a nice table at the top.)
.
Click to expand...

Does "take this number and add it" meant that if I have for example 63 from step 3, I should add A on it and search for 63A within the hex editor? Thanks, sorry i got confused
 
I tried making mew two being able to evolve with an item I called the corruption machine, but when I use it on mewtwo it shows a feeding animation and it says - huh?, and goes back to the bag with the unused item and un evolved mewtwo, but I made charmander able to evolve with the same item into charizard and that works, just mewtwo doesn't, btw, I tried making mewtwo evolve into chimencho (which I replaced the sprite and made it corrupt mew two) does it have anything to do with that?
Thx in advance
 
spidercarlo said:
I tried making mew two being able to evolve with an item I called the corruption machine, but when I use it on mewtwo it shows a feeding animation and it says - huh?, and goes back to the bag with the unused item and un evolved mewtwo, but I made charmander able to evolve with the same item into charizard and that works, just mewtwo doesn't, btw, I tried making mewtwo evolve into chimencho (which I replaced the sprite and made it corrupt mew two) does it have anything to do with that?
Thx in advance
Click to expand...

That's because the evolution you have set for Mewtwo doesn't appear on the Regional Dex (the default one) and the game prevents it from evolving. The quickest fix is to give the NationalDex (activate the flag) and it sholud be done ;)

Tyranitar06 said:
Does "take this number and add it" meant that if I have for example 63 from step 3, I should add A on it and search for 63A within the hex editor? Thanks, sorry i got confused
Click to expand...

You have to add both terms, not concatenate them. The operation will be 0x63 + 0xA = 0x6D
 
BLAx501! said:
That's because the evolution you have set for Mewtwo doesn't appear on the Regional Dex (the default one) and the game prevents it from evolving. The quickest fix is to give the NationalDex (activate the flag) and it sholud be done ;)



You have to add both terms, not concatenate them. The operation will be 0x63 + 0xA = 0x6D
Click to expand...

Thank you I'm gonna try it right now ;)
 
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