The forces of Nurgle focus on sheer power and resilience to overwhelm the servants of rival gods, or anyone else for that matter. The Vile Vectorium packs a diverse force of light infantry, heavy Terminators, and vehicles into one versatile package, and contains:

Lord Felthius a Lord of Contagion and his Tainted Cohort of three Blightlord Terminators
Three Deathshroud Terminators
Three Foetid Bloat-drones
20 Poxwalkers