Gengar's Abyss

"When you stare into an abyss for a long time, the abyss looks at you."

This art is my visual representation of the phrase, plus the sense of fighting demons within.
The drawing is really very dark (before it was even darker hahahahha), I tried to approach that feeling of terror of looking at something very dark and imagining that there is something there, but there is not (is there really not?)