Sion Runes

The top Sion runes in LoL patch 25.21 are Grasp of the Undying, Demolish, Bone Plating, Overgrowth for Sion's primary runes. Sion's runes in his secondary tree best utilizes Cash Back and Approach Velocity. These Sion rune choices provide the best Sion rune build for ranked.

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  Glory in Death

  After being killed, Sion will temporarily reanimate with rapidly decaying Health. His attacks become very rapid, heal him, and deal bonus damage based on his target's maximum Health.

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  Decimating Smash

  Sion charges a powerful swing in an area in front of himself that will deal damage to enemies when released. If he charges for enough time, enemies hit by the swing will also be knocked up and stunned.

  Cost:

  • 45

  Cooldown:

  • 10/
  • 9/
  • 8/
  • 7/
  • 6

  Range:

  • 10000
• 

  

  Soul Furnace

  Sion shields himself and can reactivate after 3 seconds to deal Magic Damage to enemies nearby. When Sion kills enemies, he passively gains maximum Health.

  Cost:

  • 65/
  • 70/
  • 75/
  • 80/
  • 85

  Cooldown:

  • 15/
  • 14/
  • 13/
  • 12/
  • 11

  Range:

  • 500
• 

  

  Roar of the Slayer

  Sion fires a short range shockwave that damages and slows and reduces the Armor of the first enemy hit. If the shockwave hits a minion or monster, it will be knocked back, damaging, slowing, and reducing the Armor of all enemies that it passes through.

  Cost:

  • 35/
  • 40/
  • 45/
  • 50/
  • 55

  Cooldown:

  • 12/
  • 11/
  • 10/
  • 9/
  • 8

  Range:

  • 800
• 

  

  Unstoppable Onslaught

  Sion charges in a direction, ramping up speed over time. He can steer his charge slightly with the mouse cursor location. When he collides with an enemy he deals damage and knocks them up based on the distance he has charged.

  Cost:

  • 100

  Cooldown:

  • 140/
  • 100/
  • 60

  Range:

  • 7500