I notice you're looking for a of "Jazza's Ultimate Digital Brushes" (likely referring to the popular set by YouTuber and artist Jazza).

A quick note on ethics and safety:

The Procreate community forums offer massive libraries of user-created free brushes.

: A highly regarded free set of essential brushes for beginners and pros alike, often cited alongside Jazza's work.

and 6 Watercolor brushes for traditional painting styles.