You move ahead cautiously, with Salamdros close behind. Roderick follows Salamdros, and Teromil is last. When you reach the corner, you shield the lamp so Salamdros may use his elven darkvision to peer into the gloom ahead. "It travels a short way and ends," he says. "Then there is another curtain." As he speaks, you hear a noise behind the curtain. You cannot tell what makes the noise. Will you try to move ahead silently (36), or leave this passage and return to the room with the cell in it (59)?