Spectral Illusion
Fade creates an illusion of you for 4 sec, tricking enemies to attack it instead.
Tree position
In the Discipline Priest talent tree, Spectral Illusion sits in the Priest class talents, row 8 of 10. It is a single-point node. Its row opens once 23 points are spent in Class Talents.
Connected above
The tree draws a line into Spectral Illusion from Fade.
FadeFade out, removing all your threat and reducing enemies' detection range against you for 10 sec.
Connected below
Spectral Illusion leads on to Phantasm.
PhantasmActivating Fade removes all snare effects.
Same row
Also on this row: Angel's Mercy, Protective Light, Mindpierce and Improved Fade.
Angel's MercyReduces the cooldown of Desperate Prayer by 20 sec.
Protective LightCasting Flash Heal or Shadow Mend on yourself reduces all damage you take by 10% for 10 sec.
MindpierceIncreases the damage of Mind Flay by 15%.

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