Commonly, this tends to indicate turning troubles and hardships into something auspicious, hardships ending, becoming a peaceful and happy person, problems ending quickly and goodness emerging, reaching a very good spiritual point and leaving the past behind and looking ahead.
You have worked hard to organize a plan that might not come out today.
In dream books, dream about dark stairwell is a symbol of doing business together with close friends you truly get along with, getting ideas on how you should truly act in a situation, your life continuing in well-being, seeing unpleasantness within your family give way to joy and happiness, worldly blessings becoming more productive and more varied, cutting ties completely with people who harm you.
A simple tip: don’t get distracted by possible calls or social networks.
From Dream Oracle’s perspective, dark stairwell in your dream might be linked to receiving a helping hand during a financially stuck and troubled period, moving forward without facing any difficulty, turning concerns into good outcomes with the help of friends and relatives, doing something for a deeply precious—perhaps vital—matter that almost no one else would do, cradling children in your arms as the fruits of your love, making up for your losses soon.

