Tier 4 (Hero Level 10)
Mana: 70
Cooldown: 60 seconds
Wraps target enemy Hero in a cocoon, rendering them unable to act or be targeted for 8 seconds. Allies of the Hero can attack the cocoon to break it and free them early.
Patch changes
(Patch June 13, 2017) Note: An active Cocoon will no longer be destroyed if it is moved by Abilities that block pathing, such as Tyrael’s Holy Ground or Tassadar’s Force Wall.
(Patch October 18, 2016) Note: The Cocoon overlay will now display correctly for enemies affected by Cocoon.- (Patch September 27, 2016) Note: It is no longer possible to cast Cocoon on Heroic Vehicles, such as the Garden Terror or Dragon Knight.
- (Patch August 18, 2015) Note: Added.