League of Legends Patch 12.15 is Changing All Energy Champions
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LoL Patch 12.15 Preview Reveals Adjustments to Energy Champions
League Patch 12.15 notes: Energy champions buffs, Master Yi nerfs, and more - Not A Gamer
Matt Leung-Harrison on Twitter: "Patch Preview for 12.15! Energy Champions receiving adjustments are: Zed, Lee Sin, Akali, Kennen, Shen. These are mainly champions whose energy costs haven't kept up with the game
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Patch 12.15 Preview: Riot is including significant buffs to all Energy champions - Not A Gamer