Karthus vs Jayce — laning phase

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Aggregated laning stats unlock at 8 Diamond+ games for a matchup - 7 games so far. Meanwhile, watch them:

WKarhus7/11/4GrandmasterWVladSuo10/2/8ChallengerWxJappa5/6/12MasterWDyrus8/5/12MasterWKarhus15/16/7ChallengerWKarhus31/12/12ChallengerWsenzawazz16/4/6Challenger
all Karthus vs Jayce on the champion page