thanks for your answer, I'm using the robe where you get +1 to 3 stats str/dex/con (if I'm not mistaken), headgear is immune to crits (as he hit me for like 120 dmg - can only take one blow like that 2 then I'm dead), vibroblades with +4 dmg +1 stat and the offhand I'm using massive criticals.
I'm a lvl 14 guardian force specced as follows (kill, plague, knight speed, body jing/yang thingie(split force/health), dominate mind, and scream) that's pretty much what I can recall atm.
since I have no saber I guess I might aswell equip some heavier armour with resistances, thanks for pointing that out. I assume his lightsaber deals energy dmg
I went into the force regen stance so that I could cast my kill more often, but I guess he regens force for his heals as fast as I can cast them. I used my arkanian shields as much as I could but it's the heals that spoil my game, basically. he did it like 5-6 times, when I thought I had him
I guess my best shot would be getting the lightsaber, this visas shows up in my ship ? I explored it all and can't recall meeting anyone but my team members.