Void Blast
Entropic Rift upgrades Mind Blast into Void Blast while it is active. : Sends a blast of cosmic void energy at the enemy, causing (150% of Spell Power) Shadow damage. Generates Insanity.
Tree position
In the Discipline Priest talent tree, Void Blast sits in the Voidweaver hero talent tree, row 2 of 5. It is a single-point node.
Connected above
The tree draws a line into Void Blast from Entropic Rift.
Entropic RiftTear open a rift that follows the enemy for 8 sec. Enemies caught in its path suffer (60% of Spell Power) Shadow damage every 1 sec while within its reach.
Connected below
Void Blast leads on to Void Empowerment or Darkening Horizon.
Void EmpowermentSummoning an Entropic Rift extends the duration of your 5 shortest Atonements by 1 sec.
Darkening HorizonVoid Blast increases the duration of Entropic Rift by 1.1 sec, up to a maximum of 3 sec.
Same row
Also on this row: No Escape or Dark Energy, Inner Quietus and Voidheart.
No EscapeEntropic Rift slows enemies by up to 70%, increased the closer they are to its center.
Dark EnergyVoid Torrent can be used while moving. While Entropic Rift is active, you move 20% faster.
Inner QuietusVampiric Touch and Shadow Word: Pain deal 20% additional damage.

Talent trees
Void Blast is in the talent tree of 3 specializations. Priest: Discipline (Healer), Holy (Healer), Shadow (DPS).
Void Blast Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)