To get the Vinquibus, you must play the Descendia game mode, accessible from the Dark Refractory menu. You can get one of the Vinquibus blueprints at the end, and a resource called Maphica, which you ...

The Vinquibus is the first rifle/bayonet combo weapon in Warframe that occupies both the player's primary and melee weapon slots. It has a few tricks up its sleeves, and while it's not the best weapon ...