A Painter's Inspiration
The quest is unlocked after completing The Future of Hyrule scenario. After completing the quest, 50 additional Hightail Lizards can be traded in and each time, a Luminous Stone can be acquired.
"A painter traveling all over Hyrule can't seem to do justice to a theme that's near and dear to him. Bring this frustrated artist materials to inspire his work."
"The painter drew inspiration from the materials you gave him, and he's creating artistic works once more. Now he will trade you a gift in thanks whenever you bring him more materials."