Xoris is ridiculously strong for a freebie you can get just from doing a sidequest in Warframe. The ease of acquisition may have played a part in making Xoris the most-used Melee weapon in the game ...

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, ...