I run a “Homebrew” DnD campaign for a small group of friends. Occasionally I create custom artwork to really immerse them in the world I’ve created. The above is a powerful “cursed” item that the party recently recovered with the intention of purifying it to its original state. This item was sketched in ProCreate for iPad like most of my 2D illustrations.
I also create custom maps to give my players a sense of locality when they’re exploring my world, these were created using map making software called Wonderdraft: