I don't know what kind of literary work 'Chiaki' refers to. Changpei Literature was a Chinese online literature platform that provided various types of online novels, including fantasy, fantasy, martial arts, science fiction, and so on. Chiaki was probably referring to a literary work published on these platforms. If I can provide more information, I will try my best to answer your questions.
The world would be in shock. The media would be filled with reports of his death. Civilians who had always seen him as a symbol of safety would feel vulnerable. There would be mass mourning in the cities he had protected.
Ryuk would probably just be amused. He is a Shinigami who has seen a lot in his existence. Fanfiction is just another strange human creation to him. He might chuckle at some of the more outlandish ideas in the fanfictions, like a character having superpowers beyond the Death Note.
There's a fanfic called 'Hajime's Discovery with Chiaki'. In this one, Hajime discovers a new side of himself with Chiaki's help. It delves deep into their characters and how they influence each other. It's quite a character - driven story that's really enjoyable.
One great Hajime x Chiaki fanfic I read was centered around their adventure in a virtual world. It beautifully depicted their relationship growth, from initial distrust to deep friendship. The author's description of Hajime's determination and Chiaki's optimism made the story engaging.
Naruto could see death magic as just another form of power that can be used for good or evil. If he witnesses it being misused, he would be angry and try to stop those using it in a harmful way. He might also try to befriend those who use it for good and learn from them. He would adapt his fighting style to incorporate defenses against death magic, like using his shadow clones to test its limits without putting himself in too much danger at first.
I often find that the best death battle fanfiction are the ones that not only focus on the fight itself but also explore the characters' emotions and motivations. It adds depth to the story. Like, a character's reason for entering the death battle could be more than just for power or glory, it could be for revenge or to protect someone they love.
Self - discovery is also a common theme. In some fanfics, like 'The Journey Within Chiaki Maron', Chiaki embarks on a journey that makes them learn more about themselves, their strengths, and their weaknesses. This often involves Chiaki having to make difficult decisions and learn from the consequences.
The guild would be devastated. Natsu would probably be one of the first to be enraged. He'd vow to find whoever or whatever was responsible and make them pay. His fire would burn hotter than ever as he channels his anger.