Janna Ability (LoL): Zephyr

Passive: Increases Janna's movement speed by 6 / 7 / 8 / 9 / 10 (+10% of ability power) %, and allows her to move through units.

Active: Janna launches her elemental at the target dealing 55 / 100 / 145 / 190 / 235 (+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 2 seconds. Janna loses the passive benefit while Zephyr is on cooldown.