In 2018, I decided to join this fun challenge for the first time. I only managed to do a few days following the official prompt list but it was really fun. It was more of a digital Inktober, but I tried to use only "inking" tools within Procreate and it was more challenging than I expected.
Here are some samples:
And some more...
Thanks for taking a look! Appreciate if you liked it! :)