Saturn in 12th House synastry relationships are based on psychedelic communication at the subconscious level. The partners are actively involved in any activity that is related to the occult, philosophy, psychology, and spiritual teachings, and therefore is not always obvious to others. The “Saturnian” personality helps the Twelfth House person avoid the unwanted negative consequences of subconscious analysis of traumatic past experiences while the latter encourages the “Saturnian” personality to develop intuition and skillfully apply it in practice.
With the negativity of Saturn, the partners can exert a psycho-depressive influence on each other leading, in some cases, to turning from ouvert friends into convert enemies. The Twelfth House person may consider the “Saturnian” unsympathetic, oppressive, and emotionally insensitive, while she, for her part, considers the personality of the Twelfth House to be lazy, impractical, and negative. A karmic connection may arise between Saturn in 12th House synastry partners with other positive aspect and with proper discipline, responsibility, and mutual respect.
from F. Sakoyan, L. Ecker
Saturn in 12th House Synastry Explained
Even if you don’t avoid serious conversations with your Saturn in 12th House Synastry partner, mutual understanding in not easy to achiev. Potentially, this partner can give you a lot, but it will be difficult for you to understand the hidden meaning of her words and actions aimed at exposing your bigotry and lack of discipline. You may see them as a secret and partly hostile messages, or as attempts at harsh suppression, but you will not make heads or tails of your feelings right away.
Moreover, you can interpret the wisdom and reasonable demands of your Saturn in Twelfth House synastry partner as a demand to sacrifice what you value, although your partner may not mean this at all, setting himself the goal of helping you in curbing your inner enemies – for this, people often tend to use the method of so-called external constraint.
Of course, abuses in this synastry are possible and even likely. For example, the partner can restrict you for selfish reasons, directing your energy to serve his own needs and carefully hiding that this is the case. You, while obeying him externally, can at the same time accumulate indignation or protest against his policies, which will certainly affect your already difficult relationship.
Potentially, a Saturn in 12th House synastry partner can give you a lot, as you do to her, but before that you both need to go a long and painful journey where her saturning and your Twenfth House issues gradually come to light. But if you really work them out in your relationship, the effect will be profound and durable, as is usually the case with Saturn.
from A. Podvodny