Help on spell void storm

Current upkeeper: Morpher
Casting time    : 4
Spell cost      : 1
Spell type      : offensive (area)
Affecting stats : Int, Wis, Lvl
Affecting skills: Energy focus, Arcane power
Affecting spells: This spell
With this spell a warlock can create a small void storm for a split second.
Getting caught in the storm is a very painful experience that should be
avoided.

Void rift < List > Void weapon