Your dream is rich with symbolic imagery and evokes a sense of transition and confrontation with deeper subconscious themes. Here’s a breakdown of some of the key elements:

1. Sailing and Water: Water often symbolizes emotions and the subconscious. Sailing suggests a journey through your feelings or experiences. The transition to a steep waterfall leading into a dark tunnel may represent a significant challenge or a transformative experience that feels overwhelming.
2. Dark Tunnel with Air: This could signify a situation in your life where you feel confined or uncertain but still have the ability to navigate through it. The struggle for air might indicate the pressure or stress you are experiencing, yet you still find a way to breathe—suggesting resilience.
3. Codes and Verses: The presence of verses and numbers at the base of the waterfall may symbolize a search for meaning or understanding in your life. It could reflect a feeling of being in limbo, trying to decipher your own thoughts or experiences.
4. Demons: The demons that only you can see represent inner fears, anxieties, or negative influences that might be affecting your life. Their ability to influence others around you suggests feelings of helplessness or frustration in a situation where you see negativity impacting those you care about.
5. The Statue and Time: The giant green statue that comes to life and expresses confusion about time could symbolize a part of yourself that feels lost or out of sync with reality. The notion of it being upset about time might reflect your own struggles with change or the passage of time in your life, especially if you feel as though you are not progressing as you wish.

Overall, this dream seems to reflect a journey through your subconscious where you are confronting fears and seeking understanding of your emotions and the influences around you. It might be helpful to reflect on any current struggles or transitions in your life and consider how they relate to the themes present in your dream. Engaging in creative outlets or journaling could also bring further clarity.