From the Weeping Weapons quest.

File:Weeping Sword icon.png Weeping Sword
A sword infused with the Heart of the Innocent. The weapon appears to be guided by a preternatural force seeking flesh and blood with great tenacity.
Value 8,000p
Burden 550
Restrictions Base Sword 325+ to wield
Special Properties Attuned, Bonded, Ivoryable, Unenchantable, Human Slayer
Damage 22.8 - 38(38.4 - 64), Slashing/Piercing
Speed 35 (5)
Bonus to Attack Skill +5% (+23%)
Bonus to Melee Defense +0% (+18%)
Spells Moderate Sword Aptittude
Cunning of the Hunter
(Attack Skill Bonus + 18%)
Mark of the Hunter
(Melee Defense Bonus + 18%)
Murderous Thirst
(Damage +26)
Speed of the Hunter
(Speed -30)
Activations Arcane Lore: 50
Spellcraft 300
Mana 800, 1/40 sec