"Heaven's Black Sea" by Ihsahn talks about the feeling of being overwhelmed and sinking into despair and oblivion. The lyrics describe a sense of being trapped in a dark and unyielding place, with the imagery of a black sea representing the depths of hopelessness. The song speaks to the struggle of finding a way out of this darkness, but feeling unable to escape. The phrase "reluctant eye, a fragment of will" suggests a reluctance to confront the harsh realities of life. Overall, the song conveys a sense of being lost in the darkness and the struggle to find a way back to the light.