Mithril seeds are a magical type of seed that can be planted in the gambling area. On planting the seeds, the player will move one adjacent square then be given the option to pick the flowers. It is confirmed that the odds of obtaining black flowers are 1/100,000 and white flowers are 1/100,000. You can buy mithril seeds from the Gambler in which you need to be a Super donator. You can buy 50 mithril seeds for 5 Million gold.