Nari only said that but she could read on the line that if no one provoked them, they would not hurt anyone. And also, if what she read was the truth, by being on the mountain, they clearly were the one to step into the Naga's territory. Someone must have provoked the Naga and made them finally out to kill the students. Ayana suddenly remembered the finger she saw inside the Cave.
"But the dragon and the eyeball on the top of the mountain doesn't look like the power to nurture nature. On the contrary, it was the malicious aura," Maria stated as she looked at Nari, waiting for her explanation.