Clairvoyance

Clairvoyance was a generic active Talent that revealed an area and Heroes for an certain period of time.

Modified version

 * Chromie's level 1, "Timewalker's Pursuit", reveals an area for 2 seconds and enemies in the area are revealed for 4 seconds.
 * Rexxar's level 1, "Flare", reveals an area for 20 seconds, without global range.
 * Tassadar's level 13, "Oracle", channels for up to 4 seconds to reveal an area for up to 6 seconds.

Removed
These Heroes no longer have Clairvoyance as a Talent option.
 * Kael'thas
 * Kharazim
 * Nazeebo
 * Rehgar (modified version)
 * "Farsight" was available at level 7, with similar functionality, but had a cooldown of 16 seconds and duration of 5 seconds prior to being removed.


 * Uther

Similar effects

 * Hanzo's Basic Ability, "Sonic Arrow", reveals an area for 5 seconds and enemies in the area are revealed for 1 second, without global range.