Dura Val Bobbidi Mechika was a Rumelian warrior who took in Maru and Cross after they were jailed for stealing, becoming their parental substitute and most formative influence. He was Dabura's best friend, and the two pushed each other to grow as warriors over many years. A pacifist at heart despite his great strength, Dura believed in building peace through common ground rather than retaliation, even when his people faced repeated persecution. He was ultimately killed by Dabura in a rigged Trial by Combat orchestrated by the Deskunte chieftain, who had taken Dabura's sister hostage to force his compliance. His dying wish was that Dabura protect the Rumelian people.
Dura's absence is felt in every chapter of Modulo more keenly than most characters' presence. Maru carries his mentor's philosophy like a second technique — always accessible, often costly, never abandoned. The formal memorial ceremony in Chapter 21, attended by human and Simurian mourners alike, is one of the series' most precisely constructed emotional payoffs: the peace Dura believed in outliving him long enough to become real.