As late as 1221, Debal appears to have remained an important port city; according to the Jahan-kusha describes that Jalal al-Din Mangburni approached the city that year, and its ruler Hasrar fled, allowing him to enter the city unopposed.
In 1221, Debal was still an important port city, as evidenced by the account in the Jahan-kusha, which states that Jalal al-Din Mangburni approached the city and its ruler Hasrar fled, allowing him to enter without resistance.