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Champion Background Strategy Skins & Trivia
Statistics Edit
Health 516 (+75) Attack damage 45.66 (+3.25)
Health regen. 6.42 (+0.55) Attack speed [*] 0.625 (+2.11%)
Mana 372.48 (+61) Armor 20.88 (+3.5)
Mana regen. 6 (+0.8) Magic res. 30 (+0)
Ranged 450 Mov. speed 335

Karthus, the Deathsinger is a ranged mage champion whose abilities specialize in dealing heavy sustained damage in an area of effect fashion. Capable of dealing damage from both near and afar, Karthus excels at both inflicting constant harm to the enemy team from a distance as well as decimating the enemy team's collective health pool through the application of a high-risk, high-reward, self-destructive playstyle.


Death Defied
Death Defied

Upon dying, Karthus enters a spirit form and becomes invulnerable and untargetable, allowing him to continue casting spells at no cost for 7 seconds.

Ability Details
Death Defied is a self-targeted death innate.

Additional Information:

  • Karthus cannot use basic attacks or summoner spells while in the Death Defied state.
  • Defile.png Defile will automatically be toggled on if Karthus has at least one rank in the ability, and it cannot be toggled off for the duration.
  • Death Defied occupies a low priority for effects that trigger upon death: it will always trigger after effects such as Guardian Angel item.png Guardian Angel's or YorickSquare.png Yorick's Omen of Death.png Omen of Death.
  • Karthus will still benefit from cooldown reduction during Death Defied's duration.
  • Death Defied will still trigger if Karthus is killed by the Nexus Obelisk.

Lay Waste
RANGE: 875
COST: 20 / 26 / 32 / 38 / 44 Mana
Lay Waste

Active: Karthus creates a point of unstable magic at the target location that detonates after a 0.5 second delay, dealing magic damage to enemies in a 200*-radius area. Lay Waste deals double damage against isolated targets.

  • Magic Damage (Multiple Target): 40 / 60 / 80 / 100 / 120 (+ 30% AP)
  • Magic Damage (Single Target): 80 / 120 / 160 / 200 / 240 (+ 60% AP)
Ability Details
Lay Waste is a ground-targeted area of effect ability.

Additional Information:

  • Lay Waste against a single target applies spell effects as a single target ability.
  • Lay Waste hitting multiple targets applies spell effects as an area of effect ability.
  • Lay Waste grants a small instance of sight before detonation.
  • Lay Waste hitting a single target lists damage as a critical strike both in the damage text in game and in the post-game screen, where the damage from Karthus's most powerful Lay Waste will appear in the post-game's "Largest Critical Strike" section of the graphs.
**Despite this, Lay Waste can not actually critically strike and, as such, does not scale with Critical Strike Damage even if it hits a single target.

Wall of Pain
RANGE: 1000
COST: 100 Mana
Wall of Pain

Active: Karthus creates a wall of energy between 2 obelisks at target position for 5 seconds.

  • Wall Length: 800 / 900 / 1000 / 1100 / 1200
  • Maximum Wall Sight: 1300 / 1325 / 1350 / 1375 / 1400

Enemies who pass this wall have their movement speed Slow icon reduced by a large amount and their magic resistance reduced by 15% for 5 seconds. Movement speed gradually recovers over the duration.

  • Slow: 40 / 50 / 60 / 70 / 80%
Ability Details
Wall of Pain is a ground targeted linear area of effect ability.

Additional Information:

  • Wall of Pain grants sight around the pillars of the wall but not the wall itself.
  • Wall of Pain can only affect a given enemy once per cast.

RANGE: 425
COST: 30 / 42 / 54 / 66 / 78 Mana per second

Toggle Off: When Karthus kills a unit, he restores mana.

  • Mana Restored: 20 / 27 / 34 / 41 / 48

Toggle On: Karthus surrounds himself with the souls of his victims, draining his mana to deal magic damage to enemies in range each second.

  • Magic Damage: 30 / 50 / 70 / 90 / 110 (+ 20% AP)
Ability Details
Defile is a point blank area of effect toggle.

Additional Information:

  • Defile also restores mana to Karthus if he kills an enemy structure.

RANGE: Global
COST: 150 / 175 / 200 Mana
COOLDOWN: 200 / 180 / 160

Active: After channeling for 3 seconds, Karthus blasts all enemy champions on the map and deals magic damage.

  • Magic Damage: 250 / 400 / 550 (+ 60% AP)
Ability Details
Requiem is an auto-targeted global area of effect ability.

Additional Information:

  • Requiem's impending damage is shown to enemies by a large beam of greenish light coming from the sky during the channel.
    • Champions who were untargetable when the channel begins will not have this beam show for them, but will still take damage when it ends (should they become targetable in the meantime).
  • Champions who are untargetable when the channel ends do not have any damage dealt to them.
  • If Requiem's channel is interrupted in some fashion, the ability's cooldown is still applied in full and the mana cost is not refunded.


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