6th Edition saw the Storm of Chaos campaign released in 2004, bringing Garagrim Ironfist and the Doomseekers as well as Malakai Makaisson and his Goblin-Hewer. At some point further versions of the Slayer Command and a boxed set of slightly updated 4th edition slayers were released.
Painter:
Orclord / Andy Mott / Iain Aitken / Unknown
Slayer Command
Storm of Chaos Slayers
The Last Metal Slayers