Dead Knight Gunther is a Manga/Manhwa/Manhua in (English/Raw) language, Action Drama Fantasy Seinen series, english chapters have been translated and you can read them here. You are reading Dead Knight Gunther chapters on VipToon, fastest updating comic site. The Summary is
The war between humans and vampires ends with the victory of the vampires, as everyone expected. After hard work for mankind’s counterattack in ‘Bahal’, a holy land that has not yet been invaded, Succeeded in producing an immortal ‘corpse knight’ and a ‘power source’ that can move him, ‘Gunter’, who was a gladiator, is brought back to life as a ‘corpse knight’.