Darsius held the rank of naval commander in the era of 7811 BBY, specifically during the Waymancy Storm. At the battle of Brightday, he commanded multiple lines composed of cruisers.
The arrangement of his cruisers made such an impression that, more than seven millennia afterward, during the Great Peace of the Republic, a youthful Wullf Yularen inquired of his father, Thull, about the strategies utilized by Darsius.