Two-Handed Fifth Generation Lightsaber

Matarmeno Krahnn (an adventuresome Jedi) starts this collection, he is at LOC: -5523 -2643 in Tyrena on Corellia.

You will need to kill: Clinched Fist of Hate a Blackguard Grenadiers 0/10

Clinched Fist of Hate can be found inside the Heroic Instance, in Exar Kun's Temple on Yavin IV.

And the a Blackguard Grenadiers can be found inside the Heroic Instance on the Blackguard (Imperial Star Destroyer) in the space of Ord Mantell (Nova Orion).