* AuthorExistenceFailure: Much like ''{{Manga/Berserk}}'', hasn't happened yet, but a big fear given Hagiwara's poor health and slow pace.
* HeyItsThatVoice:
** Creator/WendeeLee is Yoko.
** Creator/SteveBlum (Grunt in ''VideoGame/MassEffect2'', Amon in ''WesternAnimation/TheLegendOfKorra'', Zeb in ''WesternAnimation/StarWarsRebels'') is Gara.
** [[WesternAnimation/AmericanDad Jack Smith]] voices Dark Schneider
** In the original Japanese: Creator/KazukiYao (DS), Creator/YurikoFuchizaki (Luche), Creator/TesshoGenda (Gara), Creator/ReiSakuma (Arshes Nei, anime), Creator/MamiKoyama (Arshes Nei, CD drama), Creator/ToshihikoSeki (Kal Su, TV series), Creator/RyoHorikawa (Kal Su, CD dramas 1-3), Creator/ShinichiroMiki (Kal su, CD drama 4), YukaKoyama (Yoko), Creator/RyuzaburoOtomo (Dark Priest), MasamiKikuchi (Prince Lars), Creator/KonamiYoshida (Princess Sheila), Creator/WakanaYamazaki (Sean Ari), Creator/YukoKobayashi (Kai Harn), Creator/ShigeruChiba (Diamond)
----