I've manged to find some of them, here is the list.
Helm
L16 Archer Hood of Force
L16 Betrayer's Hat of Grace
L15 Archer Hood of Force
L15 Fallen Watch Cap of Grace
L11 Betrayer's Hat of Force
L10 Archer Hood of Force
Armor
L16 Betrayer's Jacket of Fitness
L16 Archer Armor of Grace
L15 Betrayer's Jacket of Fitness
L15 Soulhaunt Vest of Grace
L10 Soulhaunt Vest of Fitness
L6 Betrayer's Jacket of Fitness
Weapon
L16 Burn Blades of Lethality
L16 Stormpiercers of Lethality
L15 Chardaggers of Lethality
L15 Flashfries of Lethality
L14 Electric Knives of Lethality
L10 Embers of Lethality
L10 Stormpiercers of Lethality
L9 Shocklets of Lethality
L8 Blaze Daggers of Lethality
L5 Fleshroasters of Lethality
L5 Shocklets of Lethality
L3 Tinders of Lethality
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