Starting in Demon Slayer with Mordekaiser

[No System] [the Myriad Worlds] [Mordekaiser] Countless dead souls whisper incessantly in his ears, yet there's nothing around him. They speak in tongues he can't understand, as if they came from the depths of the netherworld, crossing billions of light-years to reach his mind. The underworld. Vengeful souls come to claim his life. He is a man-eating fiend, immortal and undying. He is a blade drawn from its sheath, cutting through all things. [The blurb falls short. Read the story instead.] (Just so you know: Some character personalities and foreshadowing in the Demon Slayer arc may be hard to follow. If you find it confusing, you can start with the second arc, the Naruto arc.) Warning: This is a partially dark story. It has dark elements, but not throughout. Also, because there are so many personalities to write, the characterizations in the Demon Slayer arc are a bit problematic. You can choose to start with the Naruto arc instead. Demon Slayer, Naruto (ongoing)