As described in the Lore, the Tombs of Drascir, eternal resting place for the ancient kings of Ascalon, were once used as a portal to the Hall of Heroes. It is unknown whether the Tomb of Drascir is located in the city of Drascir, or somewhere further north.
Warning: The following text contains spoilers relating to the plot of Prophecies.
In the Ruins of Surmia Mission, after the players free Erol from his prison, he explains to Prince Rurik that the rest of his unit is still being held captive by the Charr in Drascir. Rurik then wants to head for Drascir and free them.