Perhaps you will be interested
The Arcanite Ripper currently has a small chance to be found on the Black Market Auction House. Upon equipping this weapon, it can be right-clicked to trigger the Arcanite Ripper effect, transforming the bearer into Bergrisst. This effect lasts 12 seconds and has a 1-minute cooldown.
Here you can buy Arcanite Ripper for EU or US Servers.
Also you'll get guide for receiving Arcanite Ripper
After patch 10.2 might will need character transfer for access to BMAH