Gasawock, willing to bring you 18 legions of super soldiers each lead by there own even more ridiculously overpowered primarch for it, Names are; Horus of the Luna wolves Alone us and omegeus of the ultramarine and alpha legions Sanguis of the blood Angels Fulgrim of the emperors children Dorn of the imperial fist Russ of the space wolfs You lead the grey Knights And a bunch of others I won't list, But remaining legions; World eaters Word bearers Salamanders Dark Angels White scars Silver skulls Ect. (Warning legions may have tendency to betray, but only 9/18.)