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League of Legends Wiki


  • The user's attack speed cap is increased to 90.0 for the duration, however this value is already beyond the technical limit for attack speed.
  • The effect is able to remove Sion's Sion's Glory in Death Glory in Death attack speed cap but is not able to remove Jhin's Jhin's or Graves' Graves'.
  • Lethal Tempo is not activated if the damage is entirely mitigated by effects such as Spell Shield.png spell shield and Cosmic Radiance.png invulnerability.


  • Lethal Tempo has a very similar effect to Hail of Blades Hail of Blades, with several differences:
    • Lethal Tempo lasts for any amount of attacks over a duration, whereas Hail of Blades Hail of Blades lasts for a limited amount of attacks.
    • Lethal Tempo's activation is delayed, whereas Hail of Blades Hail of Blades activates immediately.
    • Lethal Tempo can be activated by dealing damage. Hail of Blades Hail of Blades can only be activated on-attack.

  • The icon for Lethal Tempo is a ropedart with its rope in the shape of a treble clef. Hence the Lethal 'Tempo'.


Patch History

  • Bug Fix: Now properly grants bonus attack speed after attacking enemy champions even if the target is shielded.
  • Bonus attack speed increased to 40% − 110% (based on level) from 30% − 80% (based on level).
  • Cooldown reduced to 6 seconds from 10.
V7.22 Added
  • Precision icon.png Precision Keystone rune.
    • Passive: Damaging an enemy champion begins a 1.5 second timer. Upon completion, you gain 30% − 80% (based on level) attack speed for 3 seconds. Attacking a champion while the effect is active will extend the duration to 6 seconds.
    • Lethal Tempo allows you to temporarily exceed the attack speed limit.