Natal Mars in the 12th house can be a rather disturbing or even dangerous placement, as its presence here indicates difficulties in expressing one’s anger and aggressive emotions. This can have as a result violent explosions when the oppressed energy reaches a critical level, and people with such an aspect must definitely learn techniques of anger-management. A twelfth house Mars indicates that the native can have been bullied as a child, or even be a victim of physical attacks. Even if this did not actually happen, the nature of the 12th house can have brought to the individual a lot of fears concerning physical violence. As a child, he may have been frequently afraid of being beaten by other children or even his parents.
This planet in House 12 is the sign that the person will not necessarily be able to act in broad daylight, and that he will have to face certain enmities at times. If Mars is well-aspected, activity and energy will be put to use for others, with a tendency to act covertly (depending on the nature of the sign). If Mars is badly aspected, the energy can be blocked as well as the taking of initiative, while pushing the person to be impulsive or aggressive in the event of trials or difficulties. In terms of health, this increases the risk of accidents or attacks, or simply a surgical operation.
The good aspects of Pluto will accentuate combativeness, those of Neptune will encourage more generosity and devotion, those of Uranus will reduce the risk of blocking energy, those of Saturn will give more tenacity in action, those of Jupiter will make you act with more motivation, those of Venus will reduce the risk of dissatisfaction, those of Mercury will give a skilful and practical side, those of the Moon will bring a certain emotional balance, those of the Sun will make you act for others in an efficient way.
The negative aspects of Pluto will accentuate the risk of opposition and enmity, those of Neptune will make one too idealistic or give importance to an ideology, those of Uranus will accentuate the risks in general and the tendency to internalize the stress of where repercussions at the health level (see the sign of Mars), those of Saturn will amplify the risk of blocking energy and in the initiatives, those of Jupiter will bring a very fluctuating and poorly controlled energy, those of Venus will give difficulty in finding the necessary motivation, those of Mercury will accentuate the risk of too nervous reactions (physical or verbal), those of the Moon also but more according to the pure emotional, those of the Sun will make you lack adaptation and will make you more impulsive and impatient.
Each planets have a different effect on you, depending on which house and sign they reside in. In order to find out where they are located in your natal chart, you can use our free birth chart generator. Also, examine the aspects that they form with other planets in your chart. You will understand a lot more about the detailed role that they have in your horoscope.