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Playing as Jarvan IV
Advantage vs Karthus
Cataclysm traps Karthus with no escape
Playing as Karthus
Disadvantage vs Jarvan IV
Cataclysm traps Karthus with no escape
How to Win This Matchup
Jarvan IV has the advantage in this matchup. If you're playing Jarvan IV, look to press your lead early and deny Karthus from scaling.
If you're the Karthus player, play safe early, focus on CS, and look for jungle assistance to turn the lane.
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