Dominix functions as royal secretary and scribe in Orvelia, wielding extensive knowledge of the empire's history. He imparts crucial information to Kasel concerning his heritage, the legendary battle against Demon King Angmund a century past, and the significant figures who shaped the realm's destiny. Others frequently seek his counsel due to this deep expertise.

Having lived during King Kyle's reign, Dominix shared close bonds with both Kyle and his half-sister Illya. He advises Kasel and his companions to seek Kyle's former allies in their quest for the magical sword, believing these individuals hold vital knowledge. His guidance steers Kasel toward key figures connected to the past.

Dominix's historical insights encompass the events of the Demon King's defeat and the ensuing peace, along with Illya's creation of a techno-magical device designed to counter the Dark Lord's corruption. While his specific age remains unstated, his lifespan clearly spans multiple generations, granting him direct experience of these pivotal historical moments.