既濟卦 (Post Completion Gua) is form by an an upper Kan (坎) Trigram on a lower Li (離) Trigram. This formation is one which shows a perfect balance between the Yin and Yang Yao. This suggests that everything is in its proper place and functioning perfectly.
既濟卦 (Post Completion Gua) imagery is alike the 12 cycle (used in BaZi – 八字); when situation are in the peak; wealth, fortune, blessing and reputation are attained. But, as we are enjoying this rewarding situation/ phrase, the laws of the nature dictate that what follows success and peak is decline, tomb and decay.
既濟卦 (Post Completion Gua) for iChing Practitioners would understand that this perfect balance between Yin and Yang Yao is predominantly out of place and a lot of work and cultivation needs to be done mentally and physically (behind the scene). As Kan (坎) Trigram which represent water is suppose to flow down (but is on Top) while Li (離) Trigram which represent fire is trying to escalate upwards. Water is boiling + Fire is cooling indicate a need for cultivation (修行).
既濟卦 (Post Completion Gua) elements (五行) belongs to Fire (火); if the facing / sitting / door of the house or apartment is this Gua (卦), it is suitable for resident with annual pillar Fire TIger (丙寅), Earth Tiger (戊寅), Metal Tiger (庚寅), Earth Rat (戊子).