Mars rules 1st and 8th house is in 12th house in Pisces

When Mars is placed in the 12th house of Pisces sign, the native may experience ups and downs in life. Mars is not comfortable in the watery sign of Pisces and may make the native feel confused and indecisive.

On the positive side, this placement creates a highly imaginative mind which can be highly creative and intuitive. These individuals may work behind the scenes or in professions that involve helping others such as hospitals, prisons or charities.

However, the negative influence of Mars in this placement may create a tendency towards self-destructive behavior or self-sabotage. There may also be some hidden enemies that work against the native or conflicts with authorities.

If Mars is well-aspected, the native may be highly motivated to do good deeds or work in spiritual practices. They may have a strong desire to do charitable work or be involved in some humanitarian efforts.

Overall, this placement may require the native to use their creativity and intuition to overcome challenging situations and work towards their goals. They may need to learn how to manage their energy, emotions and impulses to avoid negative consequences.