Another theme might be heroism. The guard is often in a position to be a hero, facing danger bravely to safeguard the princess. There could also be elements of mystery, like uncovering plots against the princess or the kingdom she represents. Adventure is also likely, as the guard may need to travel to different places in the line of duty.
One common theme could be loyalty. Since it involves a princess guard, loyalty to the princess would likely be a central theme. Protecting the princess from various threats, whether they are political, magical or physical.
One way to find 'princess guard archon' light novels is to follow some light novel review channels on YouTube or other social media platforms. These channels often introduce new and interesting light novels. Also, don't forget to check out local bookstores. Sometimes they have a section dedicated to light novels and the staff might be able to help you look for something with 'princess guard archon' in it.
I'm not entirely sure specifically as there could be many different 'princess guard archon visual novels'. Generally, it might involve a story about a guard protecting a princess in a world with archon - related elements, perhaps with elements of fantasy, adventure and character relationships.
You can try looking for it on popular visual novel platforms like Steam. Sometimes, smaller indie visual novel websites also host such works. Just make sure to check the reviews and ratings before downloading.
Often, they feature powerful archon characters. These characters usually have some sort of divine or extraordinary abilities.
A theme of destiny is often present. The princess may be fated to save her kingdom or bring about some kind of change. In some princess light novels, there are also themes related to magic and mystery. Magic might be a part of the princess's power or something that she has to learn to control, and there are often mysterious elements in the plot, like ancient prophecies or hidden secrets about the princess's lineage.
A common theme is gender - bending. The idea of a princess becoming a knight challenges the traditional gender norms of society in these fictional worlds. Another theme is adventure, as the knight - princess embarks on quests, battles, and explores new lands.
Romance is a very common theme. Usually, there's a relationship between the princess and a prince or a commoner. For example, in many novels, the princess has to choose between her duty and her heart.
Power struggles are also typical. There could be battles within the vampire clan for the throne or for power, and the vampire princess is in the middle of it. This can create a lot of drama and conflict in the story. Also, the theme of identity is prevalent as the vampire princess tries to figure out her place in the world of vampires and humans.
A common theme is the struggle between good and evil. The demon princess often has to decide whether to follow her demonic nature or embrace more 'human' values. Another theme is self - discovery, as she figures out who she really is and what her place is in the world.
Love and friendship are also prevalent themes. The relationships she forms with others, whether it's a deep bond with a fellow knight or a romantic connection, play an important role in the story. These relationships can also be a source of strength for the princess knight during her difficult quests.