Keystone
Lethal Tempo
Attacking an enemy champion grants you Attack Speed, up to 6 stacks. At max stacks, deal bonus adaptive damage On-Attack.
Rune Effect
Position in the Tree
Alternatives in the same row — picking Lethal Tempo means giving these up:
Best Champions With Lethal Tempo
From real ranked build data — win rate and games refer to the champion's build that includes Lethal Tempo.
Builds Featuring Lethal Tempo
About Lethal Tempo
Lethal Tempo is a keystone rune in the Precision tree of League of Legends. Its effect: Attacking an enemy champion grants you Attack Speed, up to 6 stacks. At max stacks, deal bonus adaptive damage On-Attack. In the current patch it appears in real ranked builds for Caitlyn, Ezreal, Kai’Sa and 21 more champions — Caitlyn’s ADC build runs it at a 49.2% win rate across 635,446 games.
When picking it you give up Press the Attack and Fleet Footwork from the same row, so the choice depends on your champion and matchup. Rune data comes from Riot’s Data Dragon (version 16.14.1) and champion usage is based on real ranked statistics, refreshed automatically.
Lethal Tempo — Rune Questions
Attacking an enemy champion grants you Attack Speed, up to 6 stacks. At max stacks, deal bonus adaptive damage On-Attack.
Lethal Tempo is part of the Precision tree as one of its keystones.
Yes — it sits in the keystone slot of Precision and defines the identity of the rune page.
Caitlyn, Ezreal, Kai'Sa, Jinx, Yunara and 18 more champions run it in current ranked builds — every build is linked above.