illustrious version :

weight between [0.8, 1], need to be adjust but best look to be 0.9

prompt : ascii_art_style, monochrome, greyscale, white background, simple background

It's better to remove all colors tag like 'blue eyes', 'red shirt' etc

Pony version :

weight between [0.8 , 1.2], weight need to be adjust 1 is a good starting point

I suggest to remove all colors tag like 'blue eyes', 'blue shirt'

prompt : ascii_art_style, monochrome, greyscale, white background, simple background