"Well, I'm just saying that it would have been better to break in." Ralph was somewhat held back by the way that Grace was looking at him. However, he still had a supporter.
"The challenge of strength would have let us know better as to where we stand. Now we are just moving blocks of stone that are basically dust at this point." Brad was right there with Ralph. But everytime they grabbed a stone, it seemed to become lighter.
This wasn't just because the stones up at this ledge were falling apart. It was because this tones had clearly been through some damage to collapse the ceiling and block this entrance. It made Clark believe that this was the intention of one of the ancient elves for whatever reason.