From the Creature Lords quest introduced in Keep Your Enemies Closer and updated in A Perfect Paradox and Come What Follows.

Dark Sorcerer's Phylactery
Current Version Retired Version
Dark Sorcerer's Phylactery
Value: 7,000
50 Burden Units
An orb with some sort of dark figure within. Gazing into its depths, you see the wretched face of a Dark Sorcerer, an undead from the Vesayen Islands.


Casts the following spells: Item Enchantment Mastery Self V, Mana Conversion Mastery Self VI, Minor Willpower, Wizard's Ultimate Intellect, Life Magic Mastery Self V

Activation Requirements: Arcane Lore: 250, Life Magic: 250
Spellcraft: 250
Mana: 2000
Mana Cost: 1 point per 20 seconds.

Dark Sorcerer's Phylactery
Value: 7,000
50 Burden Units
File:Dark Sorcerer's Phylactery (Retired) Icon.png
An orb with some sort of dark figure within. Gazing into its depths, you see the wretched face of a Dark Sorcerer, an undead from the Vesayen Islands.


Casts the following spells: Item Enchantment Mastery Self V, Wizard's Ultimate Intellect, Life Magic Mastery Self V

Activation Requirements: Arcane Lore: 250, Life Magic: 250
Spellcraft: 250
Mana: 2000
Mana Cost: 1 point per 20 seconds.

Notes

You give Belinda du Loc Dark Sorcerer's Phylactery.
Belinda du Loc tells you, "I have enhanced this item using the essence of the creature that once wielded it, put it to good use. If you do not want it give it back and I will reward you alternatively."
Belinda du Loc gives you Enhanced Dark Sorcerer's Phylactery.