Is the biography of Sultan al-Muzaffar Qutuz, as presented by Ali Bakathir in "Wa Islamah," factual, or does it contain fictional elements given that it is a literary work?

The aforementioned writer adheres to the historical text in its origin, clarifying it with literary imagery without compromising the original text. He authored the book "Al-Muzaffar Qutuz and the Battle of Ain Jalut."