Adam instinctively closed his eyes for an instant, since the bright light released by the four stones was blinding, but he still had his spiritual sense activated and had withdrawn his daggers, ready to be attacked at any moment.
As soon as he felt the light begin to subside, he opened his eyes and felt relieved to see that nothing had appeared around him and he didn't seem to be in any imminent danger.
The light being emitted by the stones had been reduced, but there were still glowing and it was almost as though there was a faint magnetic connection that was drawing them towards the rock wall at the end of the tunnel.
He found it weird since it was merely a rock wall and using his spiritual sense, he couldn't sense anything in it or behind it that seemed valuable, but since the unusual stones were attracted to it, he began punching away at the rock wall.