
Karthus
1
Requiem Karthus
Spam Q, keep attacking after death and hit everyone with R.
Item order
Sorcerer's Shoes
Liandry's Torment
Rabadon's Deathcap
Void Staff
Malignance
Zhonya's Hourglass
Skill order
Q›E›W
R whenever available
Augments to take Pick them when offered · higher is better
Prismatic
Infernal ConduitYour Abilities apply stacking Burn that deals damage over time. Your Burn effects reduce your basic Ability Cooldowns.
ArchmageCasting a spell refunds another random spell's cost by 30% of the original spell's Cooldown.
EurekaGain Ability Haste equal to 30% Ability Power.
HellbentDamaging enemy champions with Attacks or Abilities grants stacks. At max stacks, you revive empowered upon death.
2
Battle Mage Karthus
Keep E on up front with AP and health items.
Item order
Sorcerer's Shoes
Liandry's Torment
Rod of Ages
Zhonya's Hourglass
Rylai's Crystal Scepter
Banshee's Veil
Skill order
Q›E›W
R whenever available
Augments to take Pick them when offered · higher is better
Prismatic
Infernal ConduitYour Abilities apply stacking Burn that deals damage over time. Your Burn effects reduce your basic Ability Cooldowns.
Titan's ResolveGain stacks when taking or dealing damage. For every 7 stacks, gain Adaptive Force, Armor, Magic Resist, Size, and Tenacity.
GoliathBecome large, gaining 35% Health and 15% Adaptive Force.
HellbentDamaging enemy champions with Attacks or Abilities grants stacks. At max stacks, you revive empowered upon death.
Augments are offered at random. If none of these show up, take one from the same category (attack speed, crit, health…). Items follow the ARAM: Mayhem shop for patch 26.22.