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


Randuin's Omen item
Randuin's Omen
Gold 2900 (Gold 900)
Warden's Mail item
Gold 1000 (Gold 400)
Giant's Belt item
Gold 1000 (Gold 600)

Cost Analysis*

Gold Value
  • 60 armor = Gold 1200
  • 400 health = Gold 1066.66
    • Total Gold Value = Gold 2266.66

Gold Efficiency*


GarenSquare Garen using the item's active ability.

Similar Items


  • Randuin's Omen item Randuin's Omen is a strong counter against auto-attack reliant champions that rely on crits like AsheSquare Ashe, TristanaSquare Tristana or TwitchSquare Twitch.
  • Given it's stats, it's most useful for tanks and fighters that expect having to take on a marksman's damage for an extend period of time.
  • Against the average marksman with 50% critical chance and Infinity Edge item Infinity Edge, Randuin's Omen item Randuin's Omens critical strike damage reducing passive results in a ~14% damage reduction towards non-onhit auto-attack damage.
  • Similarly, Randuin's Omen item Randuin's Omen's Cold Steel reduces a champions auto-attack damage by 15% for all auto-attacks after the first for 1 second.
  • The synergizing armor and passives make Randuin's Omen item Randuin's Omen a perfect fit for a single defensive item against crit-reliant marksmen.
  • Warden's Mail item Warden's Mail, Thornmail item Thornmail, Frozen Heart item Frozen Heart, and Randuin's Omen are the only items that can reduce attack speed. The attack speed slow on Warden's Mail item Warden's Mail, Thornmail item Thornmail and Randuin's Omen do not stack with each other, however they do stack multiplicatively with Frozen Heart item Frozen Heart for a combined 27.75% attack speed slow.
  • Using the active on Randuin's Omen while your champion is channeling an ability will end the channel prematurely.
  • Randuin's Omen's +20% Critical strike icon critical strike damage reduction no longer affects enhanced damage where the damage is presented with the symbol of Critical strike icon critical strike, making this item not effective against champions with abilities with enhanced damage (such as KarthusSquare Karthus' Lay Waste Lay Waste when hitting one target, or AniviaSquare Anivia's Frostbite Frostbite right after the target is hit by a fully-formed Glacial Storm Glacial Storm or Flash Frost Flash Frost).


  • Randuin's Omen item Randuin's Omen is named after former Riot Games Inc. employee Robin 'Randuin' Liao.
  • Randuin's Omen 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 is the only item that can reduce the amount of damage taken from critical strikes.


Patch History

  • New Recipe: Ruby Crystal item Ruby Crystal + Warden's Mail item Warden's Mail + Ruby Crystal item Ruby Crystal + Gold 1000 = Gold 2900
  • Health reduced to 350 from 500.
  • Reduced damage taken from critical strikes increased to 20% from 10%.
  • Active slow increased to 55% from 35%.
  • Active slow duration reduced to 2 seconds from 4.
  • Total cost reduced to Gold 2900 from Gold 3000.
    • Combine cost unchanged.
  • Health increased to 500 from 450.
  • Combine cost increased to Gold 900 from Gold 600.
    • Total cost increased to Gold 3000 from Gold 2700.
  • Health increased to 450 from 400.
  • New icon.
  • Total cost reduced to Gold 2700 from Gold 2850.
    • Combine cost unchanged.
  • Health reduced to 400 from 500.
  • Armor reduced to 60 from 70.
  • New Passive: 10% reduced damage from Critical strike icon Critical strikes. This affects the total damage dealt by a critical strike, not an additive 10% reduction in their critical strike damage.
  • Active slow duration changed to a flat 4 seconds from 2 (+0.5% armor) (+0.5% magic resistance) seconds.
  • Combine cost reduced to Gold 800 from Gold 1000.
    • Total cost reduced to Gold 2850 from Gold 3000.
V4.18 (error)
  • Attack speed reduction incorrectly shown to increase to 15% from 10%.
  • Attack speed slow on being hit reduced to 10% from 15%.
  • Movement speed slow on being hit removed.
  • Total cost reduced to Gold 3000 from Gold 3100.
    • Combine cost unchanged.
  • Passive slow duration reduced to 1 second from 1.5.
  • Attack speed reduction reduced to 15% from 20%.
  • New recipe: Giant's Belt item Giant's Belt + Warden's Mail item Warden's Mail + Gold 1000 = Gold 3100.
  • Item cost increased to Gold 3100 from Gold 3075.
  • Combine cost increased to Gold 1000 from Gold 600.
  • 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 + (1% armor) + (1% magic resistance) seconds from 1 + (0.5% armor) + (0.5% magic resistance) seconds.
  • Tooltip now updates dynamically.
  • Fixed a bug where the tooltip stated the incorrect slow duration.
  • New effect: Now grants assists if using its active helps get a kill.
  • Total cost reduced to Gold 2775 from Gold 2925.
    • Combine cost unchanged.
  • Armor reduced to 55 from 80.
  • Health increased to 350 from 300.
  • Cooldown reduction reduced 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 active effect was not unique.
  • Fixed a bug where Randuin's Omen item Randuin's Omen was not slowing attack speeds.
V1.0.0.83 added
  • Recipe: Warden's Mail item Warden's Mail + Heart of Gold item Heart of Gold + Gold 600 = Gold 2925
  • Stats: 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 + (0.5% armor) + (0.5% magic resistance) seconds (60 second cooldown).


  1. Itemlist on leagueoflegends.com

List of Items