Karthus AP Tempo Build

ARAMonly Karthus ARAM build gives best Karthus ARAM runes. With items, skill order, summoner spells, this LoL Karthus ARAM guide offers complete Karthus ARAM AP Tempo build for Patch 13.5 in League of Legends
ARAM Build Guide for champion Karthus and build AP Tempo.
This is all about going in all the time, getting gold and items, dealing tons of damage and dying. A lot.
Karthus ARAM modifiers
DMG done -10%
DMG taken +5%

Karthus ARAM TLDR

Quick Skill Order

Karthus ability Defile should be leveled first.
E
Karthus ability Lay Waste should be leveled second.
Q
Karthus ability Wall of Pain should be leveled third.
W

Final Items

Sorcerer's Shoes should be final item in your build.
Liandry's Anguish should be final item in your build.
Axiom Arc should be final item in your build.
Demonic Embrace should be final item in your build.
Void Staff should be final item in your build.
Rabadon's Deathcap should be final item in your build.

Quick Runes

Major rune First Strike from Inspiration tree.
Minor rune Precision.

Summoner spells

Pick Mark as your Summoner Spell.
Pick Flash as your Summoner Spell.

Karthus ARAM Runes

Inspiration
Inspiration major tree Glacial Augment rune.
Inspiration major tree Unsealed Spellbook rune.
Inspiration major tree First Strike rune.
Inspiration major tree Hextech Flashtraption rune.
Inspiration major tree Magical Footwear rune.
Inspiration major tree Perfect Timing rune.
Inspiration major tree Future's Market rune.
Inspiration major tree Minion Dematerializer rune.
Inspiration major tree Biscuit Delivery rune.
Inspiration major tree Cosmic Insight rune.
Inspiration major tree Approach Velocity rune.
Inspiration major tree Time Warp Tonic rune.
Precision
Precision minor tree Overheal rune.
Precision minor tree Triumph rune.
Precision minor tree Presence of Mind rune.
Precision minor tree Legend: Alacrity rune.
Precision minor tree Legend: Tenacity rune.
Precision minor tree Legend: Bloodline rune.
Precision minor tree Coup de Grace rune.
Precision minor tree Cut Down rune.
Precision minor tree Last Stand rune.
Passive
Passive tree Offense rune (+9 Adaptive Force).
Passive tree Offense rune (+10% Attack Speed).
Passive tree Offense rune (+8 Ability Haste).
Passive tree Offense rune (+9 Adaptive Force).
Passive tree Flex rune (+6 Armor).
Passive tree Flex rune (+8 Magic Resist).
Passive tree Defense rune (+15-140 Health).
Passive tree Flex rune (+6 Armor).
Passive tree Flex rune (+8 Magic Resist).

Karthus ARAM How to play

  1. This is variation of AP Karthus that is all about going in, getting gold and tempo.
  2. Rush first Liandry's Anguish.
  3. Rush second Axiom Arc.
  4. Don't be afraid to die.
  5. You have bigger window of R cdr reduction from Axiom Arc, because of burn effects.
  6. Usually wait for First Strike and proc it with your R.
  7. Be careful to not get poked, because you waste First Strike procs.
  8. You can stop push by using W on minions.
  9. You can die in strategic positions and prevent enemy team from pushing/defending turret.
  10. Last Stand rune does TONS of damage.
  11. You max E for sustained damage that works great with your items + R reset + Last Stand rune.
  12. Late in the game, you can sell boots and go for sixth AP item.

Karthus ARAM Skill Order

  • Karthus [object Object] ability.
    Q
    Lay Waste
  • Karthus [object Object] ability.
    W
    Wall of Pain
  • Karthus [object Object] ability.
    E
    Defile
  • Karthus [object Object] ability.
    R
    Requiem

Karthus ARAM Items

Starting items
Lost Chapter item.
Rush this first
Liandry's Anguish item.
Rush this second
Axiom Arc item.
Boots
Sorcerer's Shoes item.
Good items
Demonic Embrace item.
Void Staff item.
Shadowflame item.
Horizon Focus item.
Rabadon's Deathcap item.
Situational items
Zhonya's Hourglass item.
Morellonomicon item.
Example final build
Sorcerer's Shoes item.
Liandry's Anguish item.
Axiom Arc item.
Demonic Embrace item.
Void Staff item.
Rabadon's Deathcap item.