Falcor, obtainable from the Energy Lab of your Warframe dojo, is one of the best weapons to utilize Melee Influence. Mathematically, it seems like a downgrade from Xoris, but depending on your build ...

The Xoris tends to be a weapon that people will remember when they need to take on the Errant Specters that can be found in the Granum Void. This will eat them for breakfast, giving you easy clears, ...