Based on the roster information, we know that the brains of the manaforge operations are the warp-masters and warp-engineers.  It is they who oversee the retrieval of a so called "warp-energy" by the manaforge and its delivery to a remote destination via a system of underground pipes.$B$BThe only other specialists in the area are geologists.  Everyone else is either part of the military or a magister crony; both easily replaced.$B$BGet in there and kill Kael's specialists; that's what'll hurt him the most.