My own suspicion is that the author's native language lacks articles (so perhaps some Slavic language?), since the majority of grammatical errors I noticed at l

My own suspicion is that the author's native language lacks articles (so perhaps some Slavic language?), since the majority of grammatical errors I noticed at least are missing articles ("battle was fought", "knight did this" etc). And those tend to be very jarring to someone who is used to articles.