Around 5.5 BBY he was called in to negotiate an end to the Troob-Hobor hostilities on Tahlboor. The effort was nearly ruined due to his sabacc addiction, avoidance of droids, and the efforts of his son, Jake, to cause a genocidal war so that the Tion Hegemony could take possession of the sky cannon. With the help of C-3PO and R2-D2, he discovered his son's treachery; yet the two species discovered peace through Mount Yeroc requesting that Harthan ask the Hegemony to leave them to their own devices.
Around 5.5 BBY he was called in to negotiate an end to the Troob-Hobor hostilities on Tahlboor. The effort was nearly ruined due to his sabacc addiction, avoidance of droids, and the efforts of his son, Jake, to cause a genocidal war so that the Tion Hegemony could take possession of the sky cannon. With the help of C-3PO and R2-D2, he discovered his son's treachery; yet the two species discovered peace through Mount Yeroc requesting that Harthan ask the Hegemony to leave them to their own devices.