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Randuin's Omen

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Randuin's Omen
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Randuin's Omen
Randuin's Omen
+500 health
+70 armor
Unique – Cold Steel: When hit by basic attacks, reduces the attacker's attack speed by 15% for 1 second.
Unique: Slows the movement speed of nearby enemy units by 35% for 2 + (0.5% armor) + (0.5% magic resistance) seconds. 60 second cooldown (500 Range).
Defense › Armor
Defense › Health
Item cost
2850 Gold (800 Gold)
Sell value
1995 Gold
Item code 3143

Randuin's Omen is a legendary item in League of Legends.[1]


Randuin's Omen item
Randuin's Omen
2850 Gold (800 Gold)
Giant's Belt item
1000 Gold (600 Gold)
Warden's Mail item
1050 Gold (450 Gold)

Cost Analysis

Gold Value

  • 500 health = 1333g
  • 70 armor = 1400g
    • Total Gold Value = 2733g

Gold Efficiency

  • The base stats are 95.9% gold efficient.
  • For the item to be considered 100% gold efficient, the passive and active would need to have a combined value of 117g.

Similar Items


  • Randuin's Omen item.png Randuin's Omen is a strong counter to Blade of the Ruined King item.png Blade of the Ruined King, as it provides armor, health, an attack speed slow and a movement speed slow; and the two actives mostly mitigate each other.
    • It is also useful against champions that are highly reliant on auto-attacking as means of damage output (JaxSquare.png Jax, KogMawSquare.png Kog'Maw, TeemoSquare.png Teemo, TristanaSquare.png Tristana, UdyrSquare.png Udyr, and VayneSquare.png Vayne).
  • Warden's Mail item.png Warden's Mail, Frozen Heart item.png Frozen Heart, and Randuin's Omen item.png Randuin's Omen are the only items that can reduce attack speed. The attack speed slow on Warden's Mail item.png Warden's Mail and Randuin's Omen item.png Randuin's Omen do not stack with each other, however they do stack multiplicatively with Frozen Heart item.png Frozen Heart for a combined 27.75% attack speed slow.
  • Randuin's Omen item.png Randuin's Omen is commonly purchased by tanky melee DPS champions, especially the manaless champions like DrMundoSquare.png Dr. Mundo, GarenSquare.png Garen, LeeSinSquare.png Lee Sin, and RenektonSquare.png Renekton that don't benefit from Frozen Heart item.png Frozen Heart because of the mana it gives.
  • Using the active on Randuin's Omen item.png Randuin's Omen while your champion is channeling an ability will end the channel prematurely.
Randuin's Omen active

A champion activating Randuin's Omen.


  • Randuin's Omen item.png Randuin's Omen is named after former Riot employee Robin 'Randuin' Liao.
  • By itself, Randuin's Omen active effect would increase to 2.35 seconds.
  • Randuin's Omen item.png Randuin's Omen's active effect's debuff is named Black Omen, possibly a reference to the floating palace bearing the same name from the game Chrono Trigger.
  • Randuin's Omen item.png Randuin's Omen is the only item in which the crowd-control duration from the active effect scales with the wearer's stats.

Patch History

  • Recipe cost reduced to 800g from 1000g.
    • Total cost reduced to 2850g from 3000g.


  • Attack speed reduction increased to 15% from 10%


  • Attack speed slow on being hit reduced to 10% from 15%.
  • Movement speed slow on being hit removed.



  • Passive slow duration reduced to 1 second from 1.5.
  • Cost reduced to 3000g from 3100g (combine cost unchanged).


  • Attack speed reduction reduced to 15% from 20%.


  • New recipe: Giant's Belt item.png Giant's Belt + Warden's Mail item.png Warden's Mail + 1000g = 3100g.
  • Item cost increased to 3100g from 3075g.
  • Combine cost increased to 1000g from 600g.
  • Health increased to 500 from 350.
  • Armor reduced to 70 from 75.
  • Health regen removed.
  • Cooldown reduction removed.
  • Cold Steel passive changed:
    • Chance to slow increased to 100% from 20%.
    • Slow duration reduced to 1.5 seconds from 3.
    • Attack speed slow reduced to 20% from 35%.
    • Movement speed slow reduced to 10% from 35%.
  • Active duration increased to 2 seconds + 1 second per 100 armor and magic resist from 2 seconds plus 0.5 seconds per 100 armor and magic resist.


  • Tooltip now updates dynamically.
  • Fixed a bug where the tooltip stated the incorrect slow duration.


  • Recipe changed: Now requires Cloth Armor item.png Cloth Armor.
  • Armor increased to 75 from 55.
  • Total cost changed to 3075g from 2775g (due to addition of Cloth Armor item.png Cloth Armor).


  • Total cost reduced to 2775g from 2925g.
  • Armor reduced to 55 from 80.
  • Health increased to 350 from 300.


  • Cooldown reduction decreased to 5% from 8%.


  • Armor reduced to 80 from 90.
  • Cooldown reduction reduced to 8% from 15%.


  • Tooltip updated to state the correct slow amount.


  • Fixed a bug where the activation effect was not unique.


  • Fixed a bug where Randuin's Omen item.png Randuin's Omen was not slowing attack speeds.

V1.0.0.83: Added

  • Randuin's Omen item.png Randuin's Omen:
    • Recipe: Warden's Mail item.png Warden's Mail + Heart of Gold item.png Heart of Gold + 600g
    • +300 health
    • +90 armor
    • +25 health regeneration per 5 seconds.
    • Unique Passive: 15% cooldown reduction.
    • Unique Active: Slows movement speed and attack speed of surrounding units by 35% for 1 second + 0.5 seconds for each 100 armor and magic resist. 60 second cooldown.


  1. Itemlist on leagueoflegends.com

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