Jules either can't hear the sounds, or he can't hear the difference between the sounds and those naturally occuring in a cave.<br/>He does however take Avianas word for it when she says she hear things.<br/><br/>m<a class="postlink" href="http://orokos.com/roll/400114">http://orokos.com/roll/400114</a>m<br/>Perception 1d20+10 =12<br/><br/>He doesn't look over the ledge, instead he waits for her description of what she sees.