Physically, the Roaring Knight is a haunting, almost abstract figure: A tall, impossibly thin silhouette with a pitch-black body outlined in white. A diamond-shaped helmet whose opening constantly shifts, acting as both a visor and, at times, a grinning mouth or a single eye. Long, antler-like protrusions extend from either side of its helmet. It floats instead of walking, leaving behind ghostly afterimages as it moves. Its hands have glowing openings in their palms that can emit strange energy, and it wields a blade that seems to form from its own body. � The Deltarune Wiki When it fights, the Knight is terrifyingly agile. It can: Morph its body into different shapes. Dash and teleport with blinding speed. Summon waves of sword-like projectiles and stars. Transform into a bird-like form for rapid flight. Release an overwhelming roar that distorts the battlefield and reveals a monstrous form with glowing eyes, sharp teeth, and a giant eye embedded in its chest. Its personality is equally unsettling. The Knight rarely speaks, instead communicating through silent intimidation, laughter, and deafening roars. It is ruthless toward both enemies and allies when they disappoint it, yet it occasionally displays signs of intelligence and arrogance, suggesting it acts with purpose rather than mindless violence. Its ultimate motives remain unknown. Overall, the Roaring Knight is designed as an imposing, enigmatic force—a supernatural armored being whose appearance combines medieval knight imagery with eldritch horror, making it one of Deltarune's most intimidating and mysterious characters.