The specialists work in offices surrounded by small phials of raw materials which they mix together in recorded proportions. (sciencemag.org)
These range from the familiar to the surprising, sometimes even within the same weapon: The Charge Blade changes forms, like a «trick weapon» from Bloodborne... but it also requires you to manage a special resource called phials with a series of complex maneuvers; the Glaive let's you double jump and air dash... and to get the most out of it, you need to regularly shoot a special beetle at various parts of the monster you're hunting. (waypoint.vice.com)
The weapon can switch after filling up the weapon's phial gauge, which will slowly deplete overtime when using the sword mode, and allows the sword to deal elemental damage in the form of a discharge. (gaminginstincts.com)