Julious holds the position of Guardian of Light within the Shinchō Universe, charged with maintaining cosmic balance through his elemental power. He radiates wisdom and dignity, embodying the attributes of light and pride inherent to his guardianship. This role demands his unwavering support for the ruling queen and the preservation of stability across the cosmos.

In *Angelique: Shiroi Tsubasa no Memoir*, Julious displays steadfast loyalty to Queen Limoges. Confronting the crisis of the resurrected Arios threatening both queens, he actively engages in strategic efforts for their protection. Julious articulates the profound strength of their bond, stating, "There is nothing stronger than the bond between The Queen and we Guardians," emphasizing his commitment to their collective duty. He further demonstrates leadership and collaboration, joining fellow guardians on missions to locate and rescue Angelique and Marcel.

Throughout the broader *Angelique* series, Julious consistently serves as a foundational figure in the guardian structure. In the original game narrative, he aids queen candidates such as Angelique Limoges by bestowing the Sacrea of Light, a symbolic transfer of power crucial for cosmic restoration. His interactions focus on mentorship and providing stability, guiding protagonists through challenges while upholding the universe's established order. He maintains this integral role across various installments, including *Angelique Trois* and *Angelique Etoile*, supporting the protagonists' missions while adhering to his core attributes.