At the end of any round of combat Van Der Kraal is in (and survives), and after all other blows have been' struck, he may make an additional single attack with the Killing Blow special rule against a model of his choice in base contact.
Source: Warhammer Armies Project: Unofficial 9th Edition
At the end of any round of combat Van Der Kraal is in (and survives), and after all other blows have been' struck, he may make an additional single attack with the Killing Blow special rule against a model of his choice in base contact.