Scorpio, one of the powerhouse fixed signs, is the strongest sign of the zodiac. It is the eighth sign, and the second water sign. Unsurprisingly, Mars was Scorpio's ruler until Pluto was discovered in 1930. Scorpio is a yin (feminine) sign, and the power of this sign is attractive and magnetic rather than outgoing and assertive. You will sense Scorpio's presence and may feel inexplicably drawn to him, but you should hesitate. His sexuality is complex, and casual ease is not his strong point.