Edit Tab
Edit
Death Defied
Death Defied

Upon taking fatal damage, Karthus remains active for 7 seconds, rendering himself unable to move, attack, or use item actives/passives, but becoming Playful untargetable and Intervention invulnerable for the duration as well as being able to use abilities at no cost.

If Defile Defile has been learned, it will remain toggled on for Death Defied's entire duration at no mana cost.

Ability Details
Notes
  • Death Defied will always trigger after revival effects (Guardian Angel item Guardian Angel, Chronoshift Chronoshift) and if Karthus is killed by the Nexus Obelisk.
  • Karthus will still benefit from cooldown reduction during Death Defied.
Karthus IVideo
Edit
Lay Waste
TARGET RANGE: 875
EFFECT RADIUS: 100
COST: 20 / 26 / 32 / 38 / 44 Mana
COOLDOWN: 1
Lay Waste

Active: After a 0.5-second delay, Karthus detonates the target area in the cursor's direction, dealing Ability power magic damage to all enemies within, doubled when hitting only one target.

Magic Damage:
50 / 70 / 90 / 110 / 130 (+ 30% AP)
Enhanced Magic Damage:
100 / 140 / 180 / 220 / 260 (+ 60% AP)
Ability Details
Notes
  • Lay Waste briefly grants Sight icon sight before detonation.
  • Lay Waste's single-target damage is listed as a Critical strike icon critical strike both in-game (damage text) and in post-game screen ('Largest Critical Strike') but it cannot actually Critical strike icon critically strike nor will it scale with Infinity Edge item Infinity Edge's modifier or trigger Essence Reaver item Essence Reaver's mana refund.
  • Lay Waste has a different sound effect when it only hits one target.
  • If Lay Waste only hits one target it will apply Shunpo single target spell effects.
Karthus QVideo
Edit
Wall of Pain
TARGET RANGE: 1000
COST: 100 Mana
COOLDOWN: 18
Wall of Pain

Active: Karthus creates a wall at the target location for 5 seconds and grants Sight icon sight around it.

Wall Length:
800 / 900 / 1000 / 1100 / 1200

For the duration, all units who cross it are both Slow icon slowed for 4 seconds, reduced by 50% over the first second, decaying over its duration and lose 15% magic resistance for the same duration.

Slow:
40 / 50 / 60 / 70 / 80%
Reduced Slow:
20 / 25 / 30 / 35 / 40%
Ability Details
Notes
  • The Sight icon sight is granted around Wall of Pain's pillars but not the wall itself.
  • Wall of Pain can only affect any given unit once per cast.
  • Wall of Pain is not considered terrain for Searing Charge Searing Charge.
Karthus WVideo
Edit
Defile
EFFECT RADIUS: 425
COST: 30 / 42 / 54 / 66 / 78 Mana per second
Defile

Toggle Off: Karthus restores Mana resource mana whenever he kills a unit.

Mana Restored:
20 / 27 / 34 / 41 / 48

Toggle On: Karthus deals Ability power magic damage per second to all nearby units.

Magic Damage Per Second:
30 / 50 / 70 / 90 / 110 (+ 20% AP)
Ability Details
Notes
  • Defile also restores Mana resource mana if Karthus destroys an enemy structure.
  • Defile will automatically toggle on during Death Defied Death Defied.
Karthus EVideo
Edit
Requiem
EFFECT RADIUS: Global
COST: 150 / 175 / 200 Mana
COOLDOWN: 200 / 180 / 160
Requiem

Active: Karthus channels for 3 seconds and deals Ability power magic damage to all enemy champions upon its completion.

Magic Damage:
250 / 400 / 550 (+ 75% AP)

Karthus cannot move or cancel Requiem after activation until the channel either ends or is interrupted.

Ability Details
Notes
  • Requiem's channel is telegraphed to all enemy champions by green beam of light that descends on all targets.
    • The beam will be applied to untargetable enemies, although they will not take damage if they are still untargetable when the damage is applied.
  • If Requiem's channel is interrupted in some fashion it goes on full cooldown and its cost is not refunded.
  • Karthus cannot cast Requiem if Death Defied Death Defied duration is less than 3 seconds.
Karthus RVideo

References