Dagmor

Sold by Celebrimbor at Traders for 1 Black Gem and 1 Forged Tungsten. 
Material: Trident
Lore: "Attack or Flee!"
-Knockback 3 
-Riptide 5
-Sharpness 17
-Unbreaking 5
Upgrades
-Knockback - 2 Black Gem per Level (Max 5)