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Clairvoyance

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Clairvoyance was a 'targeted' summoner spell. It was available on Summoner's Rift, The Twisted Treeline and The Crystal Scar, but got removed from Summoner's Rift and The Twisted Treeline at some point. becoming exclusive to The Crystal Scar and the Dominion game mode, which got removed later as well. It was mainly used for scouting, aiming skills, avoiding enemy ganks and setting up ganks of your own. It could not detect invisible units, but it could see into brush. Unlike wards, Clairvoyance needed not be "placed" into a specific patch of brush, but instead it revealed all brush within its range.

Strategy

  • Clairvoyance was generally taken by a support champion such as Sona Sona or Soraka Soraka so that carries may choose more self-serving Summoner Spells.
  • Clairvoyance was primarily used to check the enemy jungler's progress, and prevent ganks from the jungler or laners that are "MIA".
  • If you know the enemy jungler is invading your jungle, cast Clairvoyance at their probable location, hopefully catching them off guard and granting your team a kill.
  • You can use Clairvoyance during a team fight near brush to prevent your team from losing line of sight.
  • Champions that have ability with high or global range can use Clairvoyance to be sure that the ability will hit its targets.

Notes

  • Even though it got removed from the game due to the Dominion game mode removal, it is still available in the Featured Game Mode Ascension.
  • If Clairvoyance only extends over half of a brush patch, an enemy unit can remain unseen in the other half.
  • The "eye" that is placed at the Clairvoyance area can be seen by the enemy, even if it is in the fog of war.
  • Clairvoyance will reset the markers for neutral monster camps on the minimap.
  • Casting Clairvoyance does not interrupt Recall.png Recalls channel.
  • The "eye" (green by ally and red by enemy) of the effect indicates its duration.

Trivia

  • Clairvoyance has the highest sustained cast rate of all summoner spells. Smite.png Smite has a lower cooldown of 15 second between casts, but has a 75 second charge time.


Patch History

V6.7: April 10th 2016

  • Removed, due to the Ascension game mode being removed from the game.

V6.7: April 8th 2016

  • Temporarily readded, due to the Ascension game mode coming back for a few days.

V6.3: February 22nd 2016

  • Removed, due to the Dominion game mode being removed from the game.

V5.22:

V4.2:

  • New particles and sound.

V4.1:

  • Icon updated

V1.0.0.152:

  • Duration increased to 5 seconds from 4.
  • Cooldown reduced to 60 seconds from 70.
  • Radius reduced to 1200 from 1400.
  • Summoner's Insight mastery s3.png Summoner's Insight now maintains sight on units revealed by Clairvoyance for 5 seconds instead of extending the duration by 2 seconds.

V1.0.0.136:

  • Fixed a bug where it would disappear if the caster died.

V1.0.0.129:

  • Cooldown increased to 70 seconds from 55.
  • Improved Clairvoyance
    • Increased duration reduced to 2 seconds from 4.
    • No longer reduces the cooldown.

V1.0.0.125:

  • Clairvoyance.png Clairvoyance and wards will now properly update the creep camp map icons.

V1.0.0.97:

  • Clairvoyance.png Clairvoyance can now be used without breaking stealth.

V1.0.0.61:

  • Mystical Vision (mastery) now properly adjusts Clairvoyance.png Clairvoyance cooldown.
  • Willpower (Cleanse.png Cleanse mastery) no longer affects Clairvoyance.png Clairvoyance cooldown.

V1.0.0.52:

  • Cooldown reduced to 55 seconds from 60.

V0.9.25.34:

  • Mystical Vision (mastery)
    • Duration bonus increased to 4 seconds from 3.

V0.9.25.21:

  • Duration increased to 6 seconds from 4.
  • Mystical Vision (mastery)
    • Now increases duration by 3 seconds from 2.

V0.9.22.16: Remake

  • Now reveals a location on the map for 4 seconds.
  • Mystical Vision (mastery) now increases the duration for 2 seconds and reduces the cooldown by 5 seconds.

V0.9.22.7:

  • Sight range reduced to 1800 from 2000.
  • Vision is now blocked by line of sight.

V0.8.22.115:

  • Fixed a bug that caused Mystical Vision mastery to not work.

V0.8.21.110:

  • Mystical Vision (mastery):
    • Increased stealth detection duration to 30 seconds from 15.
    • Increased total timer bonus to 30 seconds from 15.

June 26, 2009 Patch:

  • Cooldown reduced to 120 seconds from 150.
  • Mystical Vision (mastery) increases the duration of Clairvoyance.png Clairvoyance by 15 seconds. In addition, the first 15 seconds of Clairvoyance.png Clairvoyance grant stealth detection.

June 19, 2009 Patch:

  • With the recent nerf to Clairvoyance.png Clairvoyance sight being restricted by terrain we have decided to keep them indestructible and see if they are still too powerful.
  • Sight radius increased to 2000 from 1650.

June 12, 2009 Patch:

  • Reworked
    • Cooldown decreased to 150 seconds from 180.
    • Can no longer be cast inside of terrain or see over terrain.
    • Can now be destroyed by the casting of an opposing Clairvoyance on the same location.

May 23, 2009 Patch:

  • Fixed a bug that caused it to remain post duration ending.

May 15, 2009 Patch:

  • Fixed a bug that caused it to remain post duration ending.

May 9, 2009 Patch:

  • Cooldown increased to 180 seconds from 90.

April 25, 2009 Patch:

  • Duration of sight ward reduced to 360 seconds from 480.

Alpha Week 6:

  • Cast range increased to 1100 from 800.
  • Sight radius reduced to 1650 from 1800.

Alpha Week 4:

  • Cooldown reduced to 90 seconds from 120.
  • Sight range increased to 1800 from 1500.

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