Archmagos Dominus Belisarius Cawl was already old at the dawn of the Imperium, over ten thousand years ago. During that span of ages the Tech-Priest has served as a Forge Lord, a Lexico Arcanus and a renowned Magos Biologis. On the battlefield Cawl is a force to be reckoned with, fearlessly scuttling into the thick of the fighting, assessing threats and broadcasting carefully planned orders to his troops. Most enemy fire is thwarted by his force field; however even when parts of his mechanised body are blown off, cables snake out in a whir of activity to effect immediate repairs, or swarm anything that dares comes close…

(Source: Games Workshop)