Scorpio is a feminine fixed water sign. The ruling planets are Pluto and Mars. Pluto is associated with transformations, the beginnings and ends of phases in life. The other ruler Mars is associated with passion, assertion, competition.
Scorpio is the sign of inheritance and legacies and might be also called the sign of extremes. With the Sun in Scorpio, individual might be described by using contradictions, such as passionate or cold, powerful or weak, etc. The key to personality is intensity.