Upscaled by 4x times world textures for the Myth II: Soulblighter and The Fallen Levels mod (The campaign from the first game Myth: The Fallen Lords, ported to Myth II engine).
This is all the world textures from the Myth II: Soulblighter game and The Fallen Levels plugin, upscaled using ESRGAN neural network. Textures were upscaled and converted back to paletted 256-colors images using ingame.
In order for this Upscale Pack to work you need to:
It should be compatible with any mod. I checked with HD mod Myth HD Total Conversion 1.32 and it worked without any problems
Upscale Pack discussion is here on Tain forum