Bonds of Legend: A tranquil riverside at twilight, featuring a majestic black panther and its human warrior partner in perfect harmony. The panther's eyes glow with an inner light, reflecting in the still water. The warrior, adorned in intricate, nature-inspired armor, gently touches the panther's back. Tall grasses and exotic flowers frame the scene. Execute in a style blending hyperrealism with fantasy elements, using digital painting techniques to mimic oil on canvas. Incorporate subtle magical effects like glowing runes and swirling mists.