Ripples in the water glistened in light emanating from the crescent moon high above. Serenity hung in the cool autumn air, a small nudge of a breeze pressed her hair in towards her neck. Glinting water caught her eye- the deep blue shades of the lake enchanted and seduced her. Awe overtook her entirely, the natural beauty of the untouched lake made her hunger for adventure.
She rose to her knees, then to her feet, just to fall seconds later into the frigid water below. Her body cascaded down through the virgin surface of the tarn, skin stinging from the sudden impact. Encircled with painfully bitter water, she squeezed her legs firmly together and grabbed her shoulders with opposite hands. There she lingered, unwavering for at least a full minute, before she felt a satisfying tingle arise in her legs.
Tender flesh on the inside of her thighs began to merge, her knees fused together and her feet morphed into a wide fin. Silver and midnight blue armor-like scales grew from her hipbones down. New muscles formed in strips down her new extremity- she flexed them with delight. Inhaling deeply through the freshly developed gills in front of her ears, she spread a smug smile across her lips. With a single thrust of her fierce tail, she was submerged a full twenty feet below the once again pristine surface of the lake.
Excruciating pain from water pressure and drastic temperature faded into the back of her mind. With cold blood now coursing through her semi-human veins, her lips became as deep a blue as that of her scales. She circled the lake like a hawk circles its prey, for hours- looking almost more reptilian than fish-like as she slithered about the lagoon.
Eventually becoming aware of the passing time, she retired from her precious time in the water and forced herself to return to land. Tail evaporating into legs and gills dissolving from her face, she dried herself at the edge of the lake. On her own two ordinary legs, she started towards home...