|The following is based on Fallout New Vegas cut content and has not been confirmed by canon sources.|
The weapon is very powerful in combination with the Pyromaniac perk and any other melee specific Perks, especially because of the dark datura Poison effect it has, resulting in -2 INT and -58(1s) HP.
The weapon can only be acquired by the use of console commands.
This article is too short to provide more than rudimentary information about the subject. You can help The Vault by expanding it.