Unfortunately I think that d20 image is ai generated :( the triangles are uneven and the numbers don't make sense, and I see you used canva which has ai images in their stock photos
https://www.canva.com/newsroom/news/text-to-image-ai-image-generator/
The dice image is not from canva though. This is the source..
That said I did not notice it until you pointed that out. I’ll replace the asset in question.
EDIT: the irony is that I liked the image because it looked like it was scrawled by hand instead of made with vectorial lines :/
EDIT 2: Done!
Sorry if this is too straightforward, but, in the interest of furthering human made efforts, if you still want a rougher die instead of the current vector template, here is a quick one I just sketched for you.
100% human made, free of charge, no strings attached 🤞
(Obviously also means I won't be disappointed if it's not what you're looking for—I have no idea how long the imgur link works anyhow and I'll delete this message if you want me to)
