Power and its abuse. Often, the overpowered necromancer has to deal with the temptation of using their vast power for selfish reasons. For example, they might be able to raise entire armies of the undead but have to decide if they should use that power for conquest or for more noble causes.
The balance of life and death. Since necromancy deals with the dead, there is always the question of how it affects the natural order. Some novels explore how the overpowered necromancer can either disrupt this balance or try to restore it. They might face opposition from those who believe in the strict separation of life and death and see necromancy as an abomination.
One popular 'over powered necromancer light novel' is 'Overlord'. In it, the main character has necromancy - like abilities and is extremely powerful. His control over the undead gives him an edge in battles and in ruling his domain.
A common theme is also the journey of self - discovery. Despite their power, these characters often need to figure out who they are and what they want to do with their abilities. In many light novels, the over - powered character starts off not fully understanding their own potential and then goes on a journey to discover it. For instance, they might learn about the true origin of their magic or find new ways to use it that they hadn't thought of before. This can involve meeting different people, facing challenges, and growing as a person.
Power and its consequences. Necromancers often gain great power by controlling the undead, but this comes with a price. They are usually shunned by society, so there's a theme of isolation.
Isolation. Many necromancer girl characters are isolated because their powers are seen as dark or evil. People around them may fear or shun them, which is a common theme in these light novels.
There's 'High School DxD'. Issei is resurrected as a devil with some very powerful abilities right from the start. He has a harem of female devils and other supernatural beings. Then there's 'In Another World With My Smartphone'. Touya is sent to another world and is given overpowered abilities like the ability to use magic easily and has a harem of girls who are attracted to him in the new world.
Power and its consequences. A solo necromancer often has to deal with the great power that comes with their ability to raise the dead. This power can attract enemies or make others fear them, leading to isolation. For example, in many novels, the necromancer is hunted by those who see necromancy as an evil art.
One common theme is the struggle between the dark nature of necromancy and love. Since necromancy is often associated with death and the undead, it creates a contrast with the life - affirming nature of love.
The concept of the afterlife is another common theme. Since necromancers deal with the dead, the nature of the afterlife, whether it's a peaceful place or a place of torment, and how necromancy affects it are often delved into. It might be that the dead are not supposed to be brought back, and doing so has consequences not only for the living but also for the dead's eternal state.
One common theme is the ethical dilemma of raising the dead. In many necromancer sci - fi novels, characters have to grapple with whether it's right to bring back the dead, especially when it comes to the implications for the soul or the natural order of things.
The 'over powered from the start harem light novels' draw readers in by creating a sense of escapism. Readers can immerse themselves in a world where the main character has amazing powers from the very beginning. The harem aspect, whether it's a group of girls fawning over the male lead or complex relationships between the characters, adds a layer of intrigue. Also, the plots usually involve the overpowered character using their abilities to overcome various obstacles, which is thrilling to read about.