WHAT DOES NECROMANCER DICE MEAN?

Large Rivet Cannon. It is a mounted weapon turret which any of your fighters can fire as an action. It’s fundamentally precisely the same profile since the Goliath-portable Variation, with the Speedy Fire profile extended to 18” long range, as well as the Blaze profile to 12”. That’s regrettably not generally long enough to come into play,