Jon and Karyn both dashed towards the crowd. Realizing how stupid they were being, fighting over using something that they could use as many times as they wanted, Karyn and Jon made up with each other and cooperatively looked for the stone. After a few seconds, they deduced that the stone had tumbled into the crowd.
As they scanned the ground beneath the crowd, one of the bare-footed people stepped on the stone, unknowing of what would happen if they said the words I WISH.