Its unique story. It combines elements of adventure, fantasy, and a bit of mystery. The idea of the dungeon and the characters' quests to explore it and become stronger is very engaging.
The world - building aspect is fascinating. The details about the dungeon, its levels, and the different creatures within it create a vivid and immersive world. You can almost picture the layout of the dungeon and the danger lurking in every corner.
I'm not entirely sure as I haven't read it specifically. But generally, a light novel often involves elements like unique characters, a fictional world, and an interesting plot. It might be about the adventures of a character named Astrea, or it could revolve around events related to a record in a fantasy or science - fiction setting.
Online platforms like Amazon are great places to start. They usually have a wide selection of books, including light novels. There might also be some specialized online bookstores for Japanese or Asian literature where you can find the 'astrea record light novel'.
One of the great Danmachi fanfics is 'A Different Perspective'. It offers a fresh take on the characters and their relationships within the Danmachi universe. The story delves deeper into the backstories of some minor characters and makes them more significant. Another good one is 'The Unseen Adventures'. It takes the characters on new quests that are not in the original story, adding more excitement and mystery.