ROM Hack Help for decrypt rom omega ruby

[Pounou]

I have extracted romfs and exefs. I have edited encounter wild with pk3ds. How can i change the color of pokemon like the red greninja i saw on a video plz ?

 

[Pounou]

How can i extract sprite or texture for change their colors plz

 

[Asia81]

you can stop spam ? ...

 

[ground]

first of all we need more information, like what program are you using etc.
Second, don't expect to get helped withing a few hours

but the red gyrados is shiny, so you want to encounter a shiny gyrados?

 

[Pounou]

first of all we need more information, like what program are you using etc.
Second, don't expect to get helped withing a few hours

but the red gyrados is shiny, so you want to encounter a shiny gyrados?

I have modified multiple time this thread nothing more.
I would like to change the colors of my pokemon like the 2 vidéos on this thread plz :
https://gbatemp.net/threads/pokemon-omega-ruby-alpha-sappire-rom-hack.378387/