Sheer Terror
Increases the amount of damage required to break your Psychic Scream by 25%.
Tree position
In the Discipline Priest talent tree, Sheer Terror sits in the Priest class talents, row 3 of 10. It is a single-point node.
Choice node
Sheer Terror shares its node with Petrifying Scream. A character takes one of the two.
Petrifying ScreamPsychic Scream causes enemies to tremble in place instead of fleeing in fear.
Connected above
The tree draws a line into Sheer Terror from Psychic Scream.
Psychic ScreamLets out a psychic scream, causing all enemies to flee, disorienting them for 8 sec. Damage may interrupt the effect.
Connected below
Sheer Terror leads on to Psychic Voice or Void Tendrils.
Psychic VoiceReduces the cooldown of Psychic Scream by 10 sec.
Void TendrilsCall shadowy tendrils to constrict enemies when Psychic Scream ends, rooting them in place for 4 sec.
Same row
Also on this row: Lightburst, Leap of Faith, Improved Purify, Power Infusion and Painful Invocation.
LightburstIncreases the damage of Holy Nova by 400%, its healing by 500%, and its cooldown by 30 sec.
Leap of FaithPulls the spirit of a party or raid member, instantly moving them directly in front of you.
Improved PurifyPurify additionally removes all Disease effects.
Power InfusionInfuses the target with power for 15 sec, increasing haste by 20%. Can only be cast on players.

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