Yuumi arrives, Master Yi reworked, and much more in LoL patch 9.10

TL;DR

  • Yuumi introduces revolutionary attach mechanics that redefine support gameplay
  • Master Yi receives comprehensive ability reworks targeting casual vs professional balance
  • Hunter’s Talisman now affects pets, creating new jungle optimization opportunities
  • Guinsoo’s Rageblade shifts from scaling penetration to flat values with adjusted activation
  • Multiple champion adjustments focus on cooldown management and movement speed scaling

League of Legends version 9.10 marks a significant milestone in the game’s ongoing evolution. This update arrives as a more focused balance patch compared to the extensive changes preceding major competitive events like the 2019 Mid-Season Invitational.

The centerpiece of this release is Yuumi, an innovative support champion with groundbreaking mechanics. Her unique attachment ability allows her to bond with allies, becoming untargetable while providing substantial stat bonuses. This mechanic fundamentally alters traditional support positioning and creates new strategic possibilities for coordinated teams.

While attached to allies, Yuumi’s abilities transform significantly. Her Prowling Projectile (Q) gains extended range and becomes steerable, allowing for precision skillshot control. Her protective capabilities through Zoomies (E) can be redirected to shield and heal allied champions, while her ultimate, Final Chapter, unleashes seven consecutive waves of magical energy that stack damage with each successful hit.

The most extensive champion rework in Patch 9.10 targets Master Yi, with adjustments designed to reduce his dominance in casual play while maintaining viability at professional levels. His Alpha Strike receives comprehensive modifications, Meditate loses its cast time entirely, Wuju Style experiences targeted nerfs, and Highlander gains a substantial 10% movement speed enhancement.

Riven’s balance sees Valor’s cooldown increased while Broken Wings receives compensatory buffs. Vayne faces a potentially impactful nerf with Final Hour’s movement speed bonus scaling from 35% to 50% rather than maintaining a flat 50% at all ranks.

Several champions receive straightforward buffs focused primarily on cooldown reductions. Soraka stands out with an unexpected mobility enhancement through Starcall, while Shaco’s Hallucinate receives quality-of-life improvements for better control.

Understanding these changes is crucial for adapting your Class Guide approach to champion selection and playstyle adaptation.

Hunter’s Talisman receives a significant buff that extends its burn effect to champion pets. This enhancement carries through all upgrade paths, creating substantial benefits for champions like Malzahar and Elise who rely on summoned units.

Guinsoo’s Rageblade undergoes substantial rebalancing, now providing flat 15% armor and magic penetration. This comes at the cost of Phantom Hit activation requiring three attacks instead of two, fundamentally altering its power curve and optimal usage scenarios.

These item adjustments require players to reconsider their core builds and adapt to the new optimization opportunities. The pet-focused changes particularly impact jungle clear speeds and champion viability in specific roles.

For comprehensive equipment strategies, consult our Weapons Unlock guide for detailed optimization approaches.

Patch 9.10 introduces strategic shifts that reward adaptive playstyles and team coordination. Yuumi’s attachment mechanic creates new possibilities for aggressive positioning while demanding careful resource management from both the support and their attached ally.

A common mistake with the new Master Yi changes is underestimating the impact of Meditate’s cast time removal. This allows for instant damage mitigation during critical moments, but requires precise timing to maximize effectiveness.

Advanced players should focus on optimizing ability sequences with the adjusted cooldowns and understanding how movement speed scaling affects engagement timing.

For broader strategic context, our Complete Guide provides comprehensive gameplay frameworks applicable across multiple patches.

The complete patch notes containing all balance changes and specific numerical adjustments are available on the official League of Legends website for detailed reference.

Action Checklist

  • Master Yuumi’s attachment mechanics in practice tool before ranked play
  • Test updated Master Yi combos with new Meditate timing
  • Experiment with Hunter’s Talisman on pet champions in custom games
  • Adjust Vayne ultimate engagement timing for new movement speed scaling
  • Review Guinsoo’s Rageblade build paths on affected champions

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