Champions
Nerfs
Gangplank, Renata, and Gnar all had their base health reduced among other base stats nerfs. GP received the most adjustments since most of the pro community was concerned about his power level. His base armor was lowered, his Q ability does less damage early game, and his barrels don’t slow as much. On the other hand, his passive and the slow on his Barrels now both scale with crit, but the bonus crit damage on his barrel was reduced.
Patch 12.14 is focused mainly on balancing the enchanter role through items and champion adjustments. That’s why Yuumi, Seraphine, and Janna will now heal less when using their E, W, and Ultimate abilities. Janna received a small flat shield increase, but both her and Seraphine had AP scalings on their shields reduced. Wukong’s base health regeneration was slightly increased to offset the nerf to his passive health regeneration. Meanwhile, Zeri’s ultimate now does less damage and the execute mechanic on her right lick Q only works on low-health minions.
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Buffs
Alistar’s Q now costs 10 less mana and has a one-second shorter cooldown at each rank, while Varus received a base AD increase of three. LeBlanc has now more mana and a larger mana growth as well as more base damage on her signature W ability — Distortion.
Jarvan’s E has a shorter cooldown and his Q does more damage when building AD. Apart from these two buffs, another way of trying to buff early-game aggression in pro play is by reverting the 11.3 nerfs to Pantheon, whose Q now does 105% damage to jungle camps and monsters. Teemo now gets more mana as he levels up, his Shrooms cost less mana, do more damage and he can throw them further at levels six and 12. The Ricochets on Sivir’s W now do less damage to minions but execute them if they are below 15 HP.
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Items and Runes
Summoner spells
With all champions now being more durable, further damage reduction through Challenging Smite and Exhaust is becoming overpowered. Junglers barely took Chilling Smite since Challenging brought so much value, while every bot laner is taking Exhaust. That’s why both spells received massive damage reduction nerfs.
Credit: Twitter/ LoL Developer Team