Blacksight

Blackwater, a dark liquid drank by Knights to heal themselves had another permanent beneficial effect to their bodies. Blacksight is the ability to slow down time, or the perception of time, allowing Knights to achieve feats cannot be done by an ordinary human. This includes pinpoint accuracy, and faster shooting of guns, make split-second decisions like using various environmental hazards during a melee, and many more. This superhuman ability greatly increased the Knights' battle potential, and allowed them to go head-to-head against Half-breeds.