The Heart's pulse thundered in Kaiden's ears, shaking the floor. Each beat was heavier, wetter, sounding as if something was trying to force its way out. Veins of crimson light spread from the core, crawling up the altar and into the Countess's body.
She gasped and then moaned as the first tendril touched her, shuddering, savoring a long-awaited meal. Her fingers curled inwardly while her spider-limbs twitched in manic anticipation.
The chamber darkened, with the only light being the vile glow that spilled from the Heart into her. Her silhouette swelled, spine arching unnaturally as bone plates erupted from beneath her skin. Her limbs lengthened again, and her ribcage seemed to open and stretch, each breath becoming a rasping hiss. The veil of a noblewoman's grace was completely gone now; what remained was a hulking, sinew-laced monstrosity draped in tatters of its former elegance.
Her voice came in a doubled snarl, sharp and wet. "Yes… Yes, feed me more…!"