Setup emulator

1 ) Download andriod https://developer.android.com/studio

Now run it. When it booted go to step 2

Install Magisk on emulator

2 ) Download rootAVD https://github.com/newbit1/rootAVD/archive/refs/heads/master.zip

.\rootAVD.bat ListAllAVDs

.\rootAVD.bat %LOCALAPPDATA%\Android\Sdk\system-images\android-30\google_apis_playstore\x86\ramdisk.img

Install MagiskFrida

3 ) Download magisk-frida https://github.com/ViRb3/magisk-frida/releases
on emulator and install it with Magisk Modules

And it will look like this when it done

Frida NativeBridge

frida -Uf learn.frida.unity --realm=emulated --no-pause

Now you can find the libil2cpp.so addresses

You can test it with

Module.findBaseAddress("libil2cpp.so")