Cocoon: Elise fires a web that stuns the first enemy hit for 1.6 / 1.7 / 1.8 / 1.9 / 2 seconds. It will also reveal that enemy for a second.

Rappel: On enemy cast: Elise reveals nearby enemy targets, while she and her spiderlings lift up into the air, and then descend upon the target enemy.
On ground cast: Elise reveals nearby enemy targets while she and her Spiderlings lift up into the air, becoming untargetable for 2 seconds. During that time she can cast Rappel again to descend upon a nearby enemy.

Upon landing, the bonus damage and healing from Elise's Spider Form attacks is increased by 40 / 55 / 70 / 85 / 100% for 5 seconds.