• Onyx Claymore
• Item Level 26Disenchants into:
  [Large Glimmering Shard]: 1
• Binds when equipped
  
• Sword
• Two-Hand
  
• Speed 2.80
• 48 - 73 Damage
• (21.6 damage per second)
• +9 Strength
  +5 Stamina
  +6 Spirit
• Durability 95 / 95
• Requires Level 21
• 
• Sell Price: 46 29

Source

This has a very low chance of dropping from any lootable mob within Blackfathom Deeps.

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB