It's pretty simple, I'm not usually a visual artist, I'm a music composer so this is very different than what I'm used to. I absolutely love Black Ink. It is extremely entertaining and a great tool for creating unique art. I also used a little bit of Photoshop for other image enhancements but not much.
The picture is of a tower from a cyberpunk anime I used to watch when I was a kid, and there's some mountains and water in the picture as well. Very minimalistic, but I love it!