Karthus but every ult deals over 10,000 TRUE Damage and grants me 500+ gold - YouTube
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Karthus Build - Highest Win Rate Builds, Runes, and Items
Pro Karthus jungle path, S13 jg routes, clearing guide and build » Jungler.GG
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LOL - League Of Legends - Karthus ARAM Build Guide, Runes, Items 12.23 NA, LoL - YouTube
Karthus Build Guide : [70% Winrate] Rank #84 Karthus In The World Guide (MID) :: League of Legends Strategy Builds
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Karthus Build - Highest Win Rate Builds, Runes, and Items