Perhaps you will be interested
Sun-Lute of the Phoenix King is an epic two-handed axe that can only be purchased from the Black Market Auction House. Upon equipping this weapon, it can be right-clicked to trigger the Sun-Lute's Song effect, transforming the bearer into Sig Nicious. This effect lasts 12 seconds and has a 1 minute cooldown.
Here you can buy Sun-Lute of the Phoenix King for EU or US Servers.
Also you'll get guide for receiving Sun-Lute of the Phoenix King
• Sun-Lute of the Phoenix King
• After patch 10.2 might will need character transfer for access to BMAH