 However, the volcano, which had been rumbling ominously for some time, finally erupts, triggering a tidal wave that sinks Myrgos' ship but propels the Heron to safety, thanks to Hal's excellent helmsman skills.The crew returns to Byzantos, where Olaf is handsomely rewarded for returning the Empress' son to safety.Stig secretly speaks with his father, but when Olaf refuses to show regret for his past actions, Stig blackmails him into giving up most of his reward as recompense for all the shame that he and his mother had suffered over the years due to his actions, and the Herons return home.