Painter's supplies include an easel, canvas, paints, brushes, charcoal sticks, and a palette.
Your expertise aids you in uncovering lore of any sort that is attached to a work of art, such as the magical properties of a painting or the origins of a strange mural found in a dungeon.
When you inspect a painting or a similar work of visual art, your knowledge of the practices behind creating it can grant you additional insight.
As part of a short or long rest, you can produce a simple work of art. Although your work might lack precision, you can capture an image or a scene, or make a quick copy of a piece of art you saw.