From the Singularity Weapons Quest introduced in the Lonely in the World event.

Singularity Sword
File:Singularity Sword icon.png Singularity Sword
A sword imbued with Singularity energy.
Value 0
Burden 450
Restrictions Base Sword 250+
Special Properties Virindi Slayer, Attuned, Destroyed on Death, Crushing Blow, Biting Strike
Damage 22 - 40 (33 - 60), Slash/Pierce
Speed 40
Bonus to
Attack Skill
+7% (+22%)
Bonus to
Melee Def
+7%
Spells Blood Drinker VI, Heart Seeker VI, Strength Other VI
Activations Arcane Lore: 200
Spellcraft 200
Mana 700, 1/30 sec
Notes ??