Story
Artisan Essence Extractor Korius explains that essence is the source of life force that sustains all growth and activity. He claims that understanding this energy enables more efficient extraction. Follow Korius's guidance to sense the life energy and extract Ruby to obtain Splendent Ruby. Ruby is found in the Ellun River Midstream, Verteron Fortress Ruins, Destroyed Abyss Gate, and Kraka Footpath.
After completion (spoilers)
"Essence is a life force through which all things grow and move." Artisan Essence Extractor summoned you. One must pass the test in order to become an Artisan. For the test, you had to extract essence from the Ruby. Pleased with the essence, Korius gladly approved of your work. Upgraded to Professional Essence Extractor.