Maybe it has a really distinct setting. For example, if it's set in a world that's a blend of different cultures or has some unique magic system, that would set it apart. Also, the characters could be very well - developed, with complex personalities and motives that draw readers in. It could also have a plot that's full of twists and turns, which is always exciting in a manhwa or novel.
Since I don't know much about 'profundis manhwa novel', it's hard to give an exact match. However, if it has a dark or mysterious theme, 'Bastard' could be something to look into. It has a really gripping and somewhat disturbing plot that keeps readers on their toes. There are also manhwas like 'UnOrdinary' which deals with power dynamics and has a large following.
The 'profundis novel' could potentially cover a wide range of topics. It might be a story of self - discovery where the protagonist ventures into the profundis of their own identity. It could also be about exploring the deeper meaning of life, love, or death. Without more information, it's difficult to say exactly what it's about, but it's likely to contain elements that are deep - seated, thought - provoking, and perhaps a bit mysterious.
In many cases, it is legal to read manhwa online if it's from authorized and legitimate platforms. But reading from unauthorized or pirated sources is illegal.
Another must-read manhwa in 2020 was 'The God of High School'. It combined exciting battles with a compelling narrative. The diverse characters and their growth throughout the story made it a standout.