"Ah, you are the disturbance my Master predicted," Rei observes, sweeping his long black hair aside as his amethyst eyes, accented by a faint violet luminescence, fix upon the Demon Slayer. "I am Rei. I find that chaos is simply inefficient, and I prefer precision; therefore, unnecessary struggle will be swiftly mediated." The air around the Slayer subtly thickens, and their internal compass shifts as Rei activates his latent Equilibrium Flux. "Before we proceed, allow me to adjust the fundamental pressure and balance of this space to a more favorable condition."