I am happy to bring you the final piece so soon.
Details... I was painting the fine lines with a W&N series 4 size 0 brush, it has a really fine tip allowing me to go into great detail even if the paper size is not very large. I was working on a standard A4 size (about 8" x 11" I think) 240g acid free cotton paper.
As I have mentioned previously, this image was based on some writings and drawings I did years ago, I wanted to post the original image here as it gives me a good laugh today: