The Calamitous Bob - Chapter 84: Confluence of Hatred.

The Thousand-Year Clan, the Ten-Thousand-Year Battle, deities play games with mortals' lives, fostering myriad tribes like nurturing parasites — with defeat meaning oblivion and victory ensuring sole survival.Only the one who prevails can earn the gods' faint smile.A youth named Qin Chuan, endowed with the power to stop time, leads humanity into the battlefield of countless races, only to discover that this is not their first foray onto this battleground...

Vahn was an atypical youth. Due to a rare mutation, his blood had the potential to target and attack ailments within the human body. Touted as a universal cure, people had elevated his status above the norm and given him the classification "Panacea". In the media, he was hailed as a great hero who would usher in a new era or human wellness. However, behind the scenes things weren't so bright. Being a unique individual, Vahn spent his entire youth locked up in a lab with various scientists and research teams using his body and blood to perform endless amounts of experiments. The only solace in his suffering was the various anime and manga made available to him between experiments. He often imagined himself as the protagonist in a world of his own, finally in control of his own destiny. For years he nurtured this desire, until at the age of 14 he died when an organization had tried to kidnap him from the lab...

A World of Warcraft hunter player inexplicably entered the world of Azeroth in his sleep. Turned into a high elf ranger, and at the same time inherited the title of Baron Cheap Daddy (Baron Blood Eagle) who died.

But the tragic original history that Blizzard bestowed upon the blood elves made his hair stand on end. He doesn’t want to become a heartbroken person and doesn’t want to die, so he can only struggle desperately to change the original history.

- Description from novelbuddy

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.