Legend of Asura – The Venom Dragon is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here.
The Summary is
The long history of the Medical Sect is followed by complete and utter annihilation.
In a hellhole of despair, where corpses pile up like mountains and blood flows like the sea, ‘Asura’ finally awakens.
– I’ll kill every single one of them.
It won’t be over until I’ve killed them all.
The sole survivor of the Medical Sect’s, Jin Ja Gang –
Follow his lonesome path to vengeance!