Warpstone Flux Rating: ⭐️⭐️⭐️⭐️4/5 stars. The rules are good.Background. A collaboration between Ferrus Manus, Roboute Guilliman, and the Mechanicum, the Sicaran was deployed only just before the Heresy broke out, but swiftly became adopted by the legions. It is a high speed tank capable of laying down an impressive rate of fire and makes it dangerous against other light tanks, bikes, and fliers