As Jim made his way through the forest, he was surprised at the speed and fluidity with which he moved. He seemed to be able to leap from shadow to shadow, his twisted form traversing the forest as naturally as any animal.
Jim's thick tongue flopped out as he ran, panting, the thick saliva occasionally slopping off as he ran up and over fallen logs and other obstacles. He felt amazing and free. Like he'd never felt before. And powerful. His claws could dig into the tree branches easily, and he occasionally would leave the ground and swing through the canopy, for the sheer fun of it.
Suddenly he burst into a clearing, landing with predatory silence at the edge of the forest he surveyed the open space with his improved vision.
In the middle of the clearing, Jim caught sight of something moving. It was an animal, sniffing around in the grass looking for something to eat. Jim smiled to himself and felt a twinge of arousal from his thick sheath.
"The perfect test for my new powers of corruption." He thought to himself as he slunk lower to the ground. He pushed himself to the dirt and almost seemed to ooze along the ground, thick tendrils snaking ahead of him and silently pushing the brush out of the way as he passed.
Oblivious, the animal in the clearing continued to forrage for food, unaware of the danger approaching. Jim was close enough to hear its hearbeat now, smell the musk coming off of it. He licked his lips with his long tongue and reached one hand down to his groin, slowly caressing his thick package, which stirred and began to grow.
Couching low he tensed up the muscles in his legs and leapt through the air, landing with a roar on the animal...