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League of Legends Wiki

Oracle Lens is a trinket item in League of Legends icon League of Legends.



Sweeper Drone icon

A Sweeper Drone is a device that sweeps the surrounding area, granting Sweeper Drone icon obscured vision of enemy units within that are not Sight icon visible.

  • Stealthed Ward icon wards and Noxious Trap traps are True Sight icon revealed. Stealthed wards are also Disabled Ward icon disabled, lingering for 2 seconds after no longer being revealed.
  • Each type of unit detected has a different colored silhouette.
    • Champions are red.
    • Non-champions are purple.
    • Wards are blue.
  • While Oracle Lens is active, the user will reveal wards they hit with attacks for 2 seconds.
  • Oracle Lens uses Range model edge range from the user's center.
    • Ward icon Wards only have a radius of 1. Hence they still have 149 more vision range than they will be detected and disabled by Oracle Lens.
  • Oracle Lens will detect units even if they are Untargetable icon untargetable.
  • Trinkets count as active items and their cooldowns will be affected by item haste.

Exchangable with

Old icons


  • The search term 'sweeper' references the Sweeping Lens Sweeping Lens that introduced the Sweeper Drone icon Sweeper Drone.


Sound Effects

Effect Active
Effect Ends

Patch History

  • Bug Fix: No longer disables wards for longer than intended when moving outside of sweeping range of them.
  • Bug Fix: No longer disables wards for shorter than intended if the ward was revealed as it expired.
  • Bug Fix: No longer sometimes permanently reveals enemy jungle pets after sweeping them.
  • Bug Fix: No longer reveals champions that are at the exact same location as a detected ward.
  • New Effect: If the user is actively hitting a ward, their team will now gain vision of the ward for 2 seconds.
  • Radius reduced to 600 − 750 (based on level) units from 750 at all levels.
  • Duration reduced to 6 seconds from 10.
  • New Effect: Now stores up to 2 charges.
  • Cooldown increased to 160 − 100 (based on average champion level) seconds from 120 − 60 (based on average champion level).
  • Cooldown increased to 120 − 60 (based on average champion level) seconds from 90 − 60 (based on average champion level).
  • Undocumented: Sweeper Drone icon Sweeper Drone now outlines a purple silhouette for non-champions and a blue silhouette for wards, distinct from champions which have a red one.
  • Undocumented: Sweeper Drone icon Sweeper Drone detection silhouette now pulses periodically.
  • Updated icon.
  • Updated icon.
  • Limited to 1 Trinket item.
  • Bug Fix: Can now be used immediately if it is the player's first purchased trinket instead of defaulting to a 90 second cooldown.
  • Cooldown when swapping trinkets is now based on time since you last used any trinket.
  • Cooldown now scales with the average level of all champions instead of the owner's level.
  • Renamed Oracle Lens from Oracle Alteration.
  • New Effect: Swapping between trinkets now sets your new trinket to the same percentage remaining cooldown as your old one rather than flat 120 second cooldown on swap.
  • Now available at level 1 from level 9.
  • Cooldown changed to 90 − 60 (based on level) seconds from 76 − 60 (based on level).
  • Range increased to 750 at all levels from 660 / 690 / 720 / 750 (based on level).
  • New Effect: Tooltip now displays Vision Score.
  • Removed: Disabling traps. Still reveals them.
V5.22 - Added
  • Oracle Alteration Oracle Alteration:
    • Recipe: Sweeping Lens Sweeping Lens + Level 9
    • Active: Summons a drone that escorts you for the next 10 seconds. The drone warns against unseen enemies (including stealth, fog and brush) as well as revealing and disabling wards and invisible traps within a 660 / 690 / 720 / 750 (based on level) radius area. 76 − 60 (based on level) second cooldown.


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