This was an ink and watercolor painting that I later tweaked digitally. The final painting can be found here:
Materials used:
Surface: Acquarello watercolor block (I think it’s 13“ x 18“)
For inking: Sennelier India Ink, Series 7 Kolinsky Sable brush, Copic Multiliners, Microns
For painting: Random watercolor brushes (nothing fancy), Winsor & Newton Professional Water Colour paints