As Jon slept, the first changes began to take place. His features slowly became soft and feminine; his face rounding and forming a smaller nose and full lips, his body hair dwindling to a few invisible wisps, and his sides gaining a more pronounced curve. His hair, which he usually kept quite short, tickled his back as it grew, settling just below his shoulders. His nipples became larger and more sensitive as perky breasts emerged from underneath them, forcing Jon to subconsciously roll from his stomach to his side. Jon's underwear strained as his hips and butt widened, even as their other contents shrunk away.
The changes did not stop there however. Jon's peach skin began to turn a shade of blue and the whites of his eyes followed suit, with the pupils gaining an eerie glow. His hair also changed, turning from a light brown into almost pure white. Prominent horns emerged from Jon's head from just past the hairline, which curved outwards then slightly back towards each other. His ears became pointy and two tendrils formed behind each of them, falling down to his jawline. His struggling briefs lost their battle as a thick fleshy tail burst from the tip of his spine, ripping his underwear in two. Finally, his legs grew longer and gained a new joint, doubling back and ending in feet that quickly hardened and reformed into hooves.
Jon was now biologically a draenei. A female draenei, no less. He rested comfortably in a deep sleep, unaware of the totally alien body he now inhabited.