49.9%
2.1%
3.0%
20,181
Karthus AP Runes
Core Karthus Item Build Order
Core Karthus Item Build Path
Situational
Summoner Spells
Win Rate
49.9%
Pick Rate
2.1%
Ban Rate
3.1%
Key Insights
- IfQonly hits one enemy, it deals double damage.
- QandWreveal their affected areas.
- Edeals an extra tick of damage when Karthus recasts it.
- Rdamages all targetable enemy champions.
Strengths
- Even if Karthus is killed first, he continues fighting withP, giving his team an advantage in fights since enemy resources were used on him.
- Forces enemies to play with a "lower HP bar" since he can castRat any point to finish them off.
- Best with items enhancing magic damage, penetration, and burst potential.
Weaknesses
- Completely immobile, leaving him vulnerable to ganks.
- When fighting, if Karthus misses a singleQ, it becomes much harder to land one.
- Vulnerable to items that mitigate magic damage or negate spell effects, aiding in reducing the impact of hisR.