Marguerite widens her eyes. The more the creature slithers towards her, the more scared she becomes. Jurian also sees it. His heart starts pounding in his chest for a reason unknown to him.
What is that? It looks like a giant, pitch-black snake. The thing is so black it almost looks as if it's absorbing the light surrounding it, creating a warping illusion that makes it seem even more illusory.
Could they be hallucinating due to the heat? It isn't unfathomable. They haven't been wearing anything to protect their heads this whole time. It's already good that they haven't fainted from the sunrays.
They both rub their eyes and shake their heads. But the shape mercilessly continues to approach them at a torturing pace. As if taunting them, it neither decelerates not accelerates. Simply advancing continuously with its preying eyes locked onto them.