Gemini is one of the twelve Zodiac Stones, and one of the seven to contain a Lucavi demon. Gemini is the
Chinese zodiac Horse The stone contained the Death Seraph, Angel Of Death and was in the possession
of Marquis Mesdoram Elmdor. When Elmdor was fatally wounded in the War of the Lions, he offered his soul to Zalera in order to remain amongst the living. When Ramza Beoulve storms Elmdor's residence at Limberry Castle, the Marquis gives himself to the stone once more and becomes the Death Seraph.
Gemini is also a zodiac sign used to determine damage compatibility between characters during battle. Gemini has optimal compatibility with Sagittarius, good compatibility with Libra and Aquarius, and bad compatibility with Virgo and Pisces.