When you have collected enough stones, you can spin the wheel in town. After every spin, you have a (2.9%) chance of getting on a "hot streak," which will improve your chances of winning so long as you continue spinning the same wheel. Hot streaks last around 8-12 spins. Wearing a matching set of Spriggan Coat and Club will improve your chance of getting on a hot streak to (3.5%)
Although spriggans are spread across many areas of Eorzea, they had never before been seen outside that realm until recently. Some spriggans have been transported out of Eorzea and have come to infest Vana'diel. Moogles appear to be able to converse with the quixotic creatures, but what could the spriggans possibly want?