Moonsteel Broadsword

The Moonsteel Broadsword is a Blacksmithing-crafted two-handed sword with a Stamina and Spirit bonus.

Source
The Moonsteel Broadsword is crafted by Blacksmiths with a skill level of 180.

are a Limited Sale Recipe sold by Zarena Cromwind in Booty Bay.

Moonsteel Broadsword as a quest objective

 * from Ironus Coldsteel in Ironforge
 * from Borgosh Corebender in Orgrimmar
 * from Borgosh Corebender in Orgrimmar