C55 Awkward

"What do we do now? It's locked." Furthermore, it was locked by those copper pillars. Even if we use external force now, we shouldn't be able to break it open.

Moreover, it was already eight o'clock in the evening. It was already dark a long time ago. At night in the mountain, it was cold and humid. It was as if the cold was going to come out from the depths of one's bones