After eliminating the first of the last three Old Recruits, Khallyon concealed the Casting of his Åyûrïc Nodes, grouping them into simple constructs to form Nine Tetrahedrons with an additional Åyûrïc Node in the center that functions as a Core.
The Rogue Cadet gives a Command "[Obliterate]"; As he nonchalantly raises and aims his left hand for a short moment, throwing the Nine Tetrahedrons against his opponent, dealing gruesome injuries that blast apart the Old Recruit's body, turning him into a puddle of puree wherever the Ammunitions strike.
Fortunately, the scene lasts for almost no time, as the Memory Halls reclaim the Bodies of the fallen invaders.
Turning to his objective, the Rogue Cadet is so disrespectful that he deactivates his [Åyûrïc Field], the Young Lady, grits her teeth at the insult, tungstening her resolution and lifting her weapon.