Ax Stone Bridge. 

Hitori raised his hands near his head. Two fireballs glowed in his hands, "we lit it up." he said and threw the two balls at the dark path ahead.

His ball went straight into the darkness and did not shine ever again. Hitori threw a few more and they too disappeared into the darkness.

"What is happening?" Hitori frowned, "why is it not working?" Hitori glanced at his hands then at the path ahead.

"Let it be, do not waste your mana," Reon stopped him when he was about to throw another set of fireballs.

Hitori looked at Reon, she was serious about it, "hm." he nodded and stepped back.

"So… what do we do now?" Kamiya gulped.

"We walk," Hitori replied and took a step forward. He walked till he reached the end of the platform.

He glanced down and stepped forward. As soon as Hitori stepped forward, he saw a stone bridge ahead. It was not clear, still in the dark but Hitori could see the bridge.