He stretched both hands to repulse the falling rocks.

A gigantic block was held back by each of his extended arms.

He bent his head, and a third granite mass sank between his shoulders.

For an instant the power of Porthos seemed about to fail him, but this new Hercules united all his force, and the two walls of the prison in which he was buried fell back slowly and gave him place.
For an instant he appeared, in this frame of granite, like the angel of chaos, but in pushing back the lateral rocks, he lost his point of support, for the monolith which weighed upon his shoulders, and the boulder, pressing upon him with all its weight, brought the giant down upon his knees.

The lateral rocks, for an instant pushed back, drew together again, and added their weight to the ponderous mass which would have been sufficient to crush ten men.