Born from an ancient pact, the Umbral Vex is a creature of shadow and greed. Its J-pop princess-inspired form, adorned with chains and shimmering nano-particles, belies its chaotic nature. With a whip-like melee weapon, it moves with a menacing grace, its presence marked by light shafts and the distant glint of starfield effects. The Umbral Vex thrives in the unpredictable, a testament to a bargain long fulfilled.