Warhammer The Horus Heresy: Legions Imperialis: Mechanicum Battle GroupWarhammer The Horus Heresy: Legions Imperialis: Mechanicum Battle Group The Mechanicum has access to resources on a scale unmatched in the Age of Darkness, not as numerous as some, nor as highly trained as others, but heavily augmented with technology to make up for both. For numbers, they create countless Tech thralls, repurposed from the labouring workforces of forge worlds. For fire support, their battle automata carry the heaviest of weapons with