The Vinquibus' 40% base crit chance makes it a good weapon for crit-heavy builds, such as the one above. It'll work best on melee-centric frames like Kullervo and valkyr, though it'll be decent with ...

Optimized Warframe Vinquibus build with recommended mods (Galvanized Aptitude, Primary Acuity, Critical Delay) and Arcane ...