The paper suffered no ill effect and triggered no obvious magical effects.<br/><br/>The archway itself:<br/>http://www.wizards.com/dnd/images/ToH_Gallery/ToHGraphic5.jpg (http://www.wizards.com/dnd/images/ToH_Gallery/ToHGraphic5.jpg)<br/>the base stones glow yellow on the left, orange on the<br/>right, and the keystone 7 feet above glows blue