therizinosaurus, prehistoric creature, gentle giant, taming process, human character, dinosaur handler, protective gear, tranquilizer gun, forest environment, lush greenery, ancient trees, soft ambient light, midday sun, dynamic pose, interaction, trust-building, feeding gesture, herbivorous diet, large claws, feathered texture, scaly skin, 3/4 view, action scene, detailed dinosaur anatomy, realistic style, vibrant colors, depth of field, wide-angle lens.