Lethal Tempo

Effect

Passive: Basic attacks on-attack against enemy champions grant a stack for 6 seconds, refreshing on subsequent attacks and stacking up to 6 times. Gain 6% / 4.8% bonus attack speed for each stack, up to 36% / 28.8% at maximum stacks.

At maximum stacks, basic attacks are empowered to fire a bolt at the target on-attack that deals them 9 + (30-9)/17*(x-1) for 20 / (9 + (30-9)/17*(x-1))*0.667 for 20 bonus adaptive damage upon arrival, increased by 1% per 1% bonus attack speed.