Yuumi Runes

The top Yuumi runes in LoL patch 25.21 are Summon Aery, Manaflow Band, Absolute Focus, Waterwalking for Yuumi's primary runes. Yuumi's runes in his secondary tree best utilizes Revitalize and Bone Plating. These Yuumi rune choices provide the best Yuumi rune build for ranked.

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  Feline Friendship

  Periodically, when Yuumi strikes a champion with an attack or ability, she restores health to herself and the next ally she Attaches to.
  
  While Attached, Yuumi generates a special bond with her allies. The ally with the strongest bond enhances Yuumi's abilities while she is Attached to them.

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  Prowling Projectile

  Yuumi fires a missile, dealing damage and slowing first target hit. It deals bonus damage and an enchanced slow if it takes at least 1.35 seconds to get to its target. While on her Best Friend, the slow is always enhanced and grants bonus On-Hit damage to her ally.
  
  While Attached, the missile can be controlled with your cursor for a brief period.

  Cost:

  • 50/
  • 55/
  • 60/
  • 65/
  • 70/
  • 75

  Cooldown:

  • 7

  Range:

  • 25000
• 

  

  You and Me!

  Yuumi dashes to a target ally, becoming untargetable from everything except turrets. While on her Best Friend, she gains Heal & Shield Power and grants her Ally On-Hit healing.

  Cost:

  • 0

  Cooldown:

  • 0

  Range:

  • 25000
• 

  

  Zoomies

  Shields Yuumi and boosts Move Speed and Attack Speed. If she's attached, she passes it to her ally instead.
  

  Cost:

  • 80/
  • 90/
  • 100/
  • 110/
  • 120

  Cooldown:

  • 10

  Range:

  • 25000
• 

  

  Final Chapter

  Yuumi channels five waves that damage enemies and heal allies. Yuumi can move, attach, and cast Zoomies! while channeling. While on her Best Friend, this spell also follows her mouse.

  Cost:

  • 100

  Cooldown:

  • 120/
  • 110/
  • 100

  Range:

  • 1100