Good reincarnation light novels often have an interesting premise. For example, the idea of starting a new life in a different world or with a different form, like in 'That Time I Got Reincarnated as a Slime'.
A good reincarnation light novel also has engaging plot twists. Since the protagonist has a new start, there are often unexpected events that keep the readers hooked. For instance, in 'Overlord', the main character's actions in the new world lead to various unforeseen consequences that drive the story forward.
Often, they feature characters who are reborn or reincarnated into a new world, usually a fantasy or alternate universe. This new world has its own set of rules, magic systems, and species.
Typically, the main female character has memories of her past life. This gives her an advantage as she can use her previous knowledge in the new world. For example, in some novels, she might use her modern - day knowledge of science or technology in a medieval - like fantasy world.
The best reincarnation light novels often have unique settings. For example, they might be set in a high - fantasy world like 'That Time I Got Reincarnated as a Slime'. Here, the main character is reincarnated as a slime in a world full of magic and different races. This unique setting allows for a lot of creative storytelling.
They often have power - up elements. The protagonist usually gains new abilities or powers in the new world. In 'Overlord', Ainz has his powerful magic from his previous life as a gamer and also gains new abilities in the new world. Also, there's a sense of adventure. The characters go on quests, fight monsters, and interact with different races, just like in 'KonoSuba' where Kazuma and his party are constantly on some sort of adventure.
These novels usually have a complex cosmology. There are different realms or planes of existence that are related to the reincarnation process. Souls might travel between these realms, and the nature of each realm affects the nature of the reincarnation. For instance, a soul might be purified or corrupted depending on the realm it passes through.
A common characteristic is the contrast between the protagonist's past life and new life. For example, in 'My Next Life as a Villainess', the main character goes from a normal modern - day life to being a villainess in an otome game world. This contrast sets up interesting situations for the story. Another characteristic is the slow - burn romance. In 'Ascendance of a Bookworm', the relationship between the main character and the nobleman develops gradually over time as they get to know each other's personalities and goals. It makes the romance more believable and engaging.
Another characteristic is the setting in a fictional world, often with medieval - like warfare. In these novels, the reincarnated military genius has to deal with different kingdoms, political intrigues, and various military forces. There are usually detailed descriptions of battles, from troop formations to the use of different weapons. For instance, the protagonist might introduce new military tactics that are ahead of their time in that fictional world.
A lesser - known but really good reincarnation animal RPG light novel is 'Kumo Desu ga, Nani ka?'. It tells the story of a girl who gets reincarnated as a spider. The story is full of action, as the spider has to constantly battle for survival and also discover the secrets of the world it has been reborn into. There are elements of leveling up, skill acquisition, and building relationships with other creatures, which are typical of RPGs.
One characteristic is the exploration of different worlds. In many top reincarnation novels such as 'Stellar Transformations', the protagonist is reincarnated into a new world with different rules and systems. They have to adapt and learn these new ways. Also, there is usually a theme of redemption or achieving greater things. The character in 'Desolate Era' is reincarnated and aims to overcome past failures and reach new heights in his cultivation journey. It's a journey of self - discovery and growth as well.
They usually feature a journey of self - improvement. The protagonist, through reincarnation, gets a chance to start anew and often aims to become stronger, whether it be in terms of martial arts, cultivation, or wisdom. For instance, in many cultivation - based reincarnation novels, the character has to go through numerous trials and tribulations to ascend to higher levels of power.