Dark Strand Voidcaller
is a level 28-29 human
that can be found in the Tower of Althalaxx
in northern Darkshore[56, 26]
Capable of summoning a voidwalker.
These humans are also noted for dropping [Pattern: Robes of Arcana], which is used to create robes needed for the warlock quest chain for [Enchanted Gold Bloodrobe].