Karthus vs Jax — laning phase

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Aggregated laning stats unlock at 8 Diamond+ games for a matchup - 4 games so far. Meanwhile, watch them:

WQwermiguel6/12/9MasterLQwermiguel9/8/9MasterWQwermiguel5/5/18MasterLmatta3/2/0Diamond
all Karthus vs Jax on the champion page