Ko-fi
"What did you do?" Thor roared. The blinding flames flickered out, revealing arms now bereft of muscle, the lithe limbs of a young woman. The armor that had been a second skin for thousands of years now hung loose and heavy, threatening to pull his dainty body to the ground beneath its weight. His legs trembled from the exertion of simply standing in it.
"Such a pretty daughter, you make," the Phoenix cooed, running a hand through his long golden tresses.
He tried to step away from her, but something had him held by the hip. Lashed to his belt, Mjolnir hung frozen in the air, unresponsive to his command no matter how hard he tugged on it. He was no longer worthy. How could he be? His delicate frame barely had the strength to support itself, nevermind lift a weapon of the gods.
"Turn me back at once, witch!" The kingly command had all the authority of a petulant child in his soft, high voice.
Phoenix tutted. "Such a disobedient daughter."
Her voice echoed as life energy radiated from her. Where she touched his hair, it grew from his scalp until his thick tresses rested over his plump ass. His skin glowed with inner vitality.
"But it is to be expected with teenagers," the Phoenix said, her flame scouring away his maturity. "Perhaps something younger will accept my love."