Janna Ability (LoL): Zephyr

Passive: Increases Janna's movement speed by 9 / 11 / 13 / 15 / 17 (+10% of ability power) %, and allows her to move through units.

Active: Janna launches her elemental at the target dealing 60 / 115 / 170 / 225 / 280 (+50% of ability power) magic damage, and slowing their movement speed by 24 / 28 / 32 / 36 / 40 (+16.67% of ability power) % (max 80 %) for 3 seconds. Janna loses the passive benefit while Zephyr is on cooldown.