This is an addon that adds this new weapon to the game. The Underworld Mace is a unique weapon that can only be used one-handed. It also has a unique appearance and its stats are calculated together. 

How to install the Underworld Mace mod?

Download the application, open it and select the download button. The download will begin, and once it's done, open the.xml file that was downloaded and start the installation. You can find the installation instruction in the.xml file.

How to use the Underworld Mace?

To use the Underworld Mace, you need to turn on the cheats. After you have saved the game with this Mod activated, you cannot remove the Mod without corrupting the save!