It could be the protagonist. Often in novels, it is the main character who stumbles upon such significant elements. They are usually in the thick of the action and the discovery of the 'beacon of light' could be a turning point in their journey.
In the novel, the 'beacon of light in the dark sea' might be the central motif around which the story revolves. It could be the key to understanding the entire narrative. For example, it could be a physical location that holds some great secret or power. Or it could be a person who is like a light in the dark for others. This symbol not only gives the story a focal point but also adds depth to the exploration of themes such as hope, survival, and the human search for meaning. It can also create a sense of mystery and anticipation, making the readers wonder what exactly this 'beacon' is and how it will impact the characters and the overall plot.
I'm not sure as I haven't read it specifically. But perhaps it could be about hope or finding a way out of difficult situations, as the idea of being a light in a dark sea implies something positive emerging from a negative or difficult context.
Some of the best manhwa light novels include 'Solo Leveling'. It has an exciting story about a weak hunter becoming the strongest. The world - building and character development are great.
The story of 'A Date with a Dark Nerd' manhwa is full of surprises. It's appealing because it challenges typical stereotypes and takes you on an emotional journey. The art style also adds to its charm.