Crystal Cost: 50
Cooldown: 40 seconds.
Select one of your own units for this to work. The unit in the rift can stay there for the rest of the match, and can't be damaged by enemy units. You can select when to release the unit. It will still count towards population, and you can release the unit any time, and even through the Fog of War.
When a unit is in a rift it won't show vision around themselves, so you can't get free vision of the enemies base.
