Well, I'm not sure if it exactly fits the term 'disastrous' in the same sense, but 'Grimgar of Fantasy and Ash' has elements related to necromancy in a light novel setting. It's about a group of people in a fantasy world dealing with various challenges, and there are some dark magic elements which might be related to necromancy.
One common theme is the moral ambiguity of necromancy. Since raising the dead goes against the natural order, it often leads to a conflict between the necromancer's desires and what is considered right. Another theme could be the power struggle. The necromancer might face opposition from other magic - users or the general populace who fear their power. Also, the idea of unintended consequences is prevalent. The act of necromancy can unleash unforeseen disasters like uncontrollable undead creatures causing chaos in the world.
A 'disastrous necromancer' in light novels can also be the result of a curse or some ancient magic gone wrong. Maybe they were an ordinary mage who dabbled in necromancy without fully understanding it. And then something unexpected happened, like they became linked to a powerful and malevolent force that forces them to raise the dead against their will. This uncontrollable aspect makes them 'disastrous' as they are constantly causing trouble, whether they want to or not. Their story then becomes about trying to break free from this curse or control while also dealing with the chaos their undead creations are causing.
One well - known character type is the young and naive necromancer who starts off not fully understanding the consequences of their actions. For example, in some novels, there's a character like Elara who begins her necromantic journey innocently but soon realizes the horror she has unleashed. Another is the wise old necromancer who has seen the disasters caused by their kind and tries to either stop the younger necromancers or guide them in a better way. And then there are the anti - necromancer heroes, like the valiant knight Cedric who is dedicated to destroying necromancers and their undead minions.
One good 'catastrophic necromancer novel' could be 'Necromancer's Doom'. It tells the story of a necromancer who accidentally unleashes a series of catastrophes. Another is 'The Catastrophic Rise of the Necromancer' which focuses on a young necromancer's journey in a world filled with chaos due to his powers.
One popular necromancer light novel is 'Overlord'. In this novel, the main character has necromancer - like abilities as he commands a vast army of undead. Another is 'Grimgar of Fantasy and Ash' which also features elements related to necromancy within its fantasy world. And 'Re:Zero − Starting Life in Another World' has some arcs where necromancy - related concepts are explored.
Well, one interesting thing is the world - building. In a 'lone necromancer light novel', the setting could be a dark and mysterious place. It might have a society that either fears or tries to control necromancy. The conflicts that the lone necromancer faces, whether it's against other powerful entities or the moral dilemmas of using necromancy, are also great aspects to look forward to.
I'm not entirely sure as I haven't read it in full. But generally, a 'lone necromancer' theme might involve a character who is a necromancer and perhaps on some sort of solitary journey. It could be about his adventures in a world where necromancy is either feared or revered, facing challenges and enemies while using his necromantic powers.
Well, 'boundless necromancer light novel' could be about a journey of a necromancer in a world full of magic and mystery. The 'boundless' part might suggest that there are no limits to what the necromancer can do or discover. It could involve battles against those who oppose necromancy, or the necromancer's quest to master their powers even further.
One popular necromancer light novel is 'Overlord'. In this story, the main character has necromancer - like abilities and controls a vast army of undead. Another great one is 'Death March to the Parallel World Rhapsody' where the protagonist also dabbles in necromancy - related magic. And 'The Rising of the Shield Hero' has elements of necromancy as well, with the main character being able to summon undead creatures to fight for him.
Typically, necromancer light novels often have a dark and mysterious atmosphere. The necromancer characters usually possess the ability to raise and control the undead. This creates a spooky and often macabre setting. For example, in 'Overlord', the necromancer - like main character's control over the undead gives the story a sense of power and dread.