Jastes Lekal was a noble of Luthadel . He was heir to the Lekal house title and one of Elend Venture 's good friends, but after the Collapse , the two became enemies because Jastes was leading Koloss to attack Luthadel. (He controlled them with fake money carved from wood.) He was decapitated by Elend after he fled Luthadel, unable to control the Koloss.