Jacob mentally files that tidbit away.  Is it that it's easier to change land to land, or merely that an ocean is more complex than a plain?  No doubt Adnan will be marginally more willing to answer questions once they have something meaningful to ask about.<br/><br/>He begins adding the details he wants, things like forests and swamps and caves, and making sure the mountain has the appropriate passes (traversable, but not<em>too</em>easily) on both sides.