Cooldown: 30 seconds
Quickly tunnel to a visible location.
Patch changes[]
(Patch September 26, 2017) Note: Deep Tunnel (Z) will now go on a 10 second cooldown when interrupted by enemy or allied abilities, including self-cancelling.; Deep Tunnel (Z) now has an allied chat announcement upon activation.
(Patch May 17, 2016) Note: Heroes with unique Mount Abilities have received updated Mount button art.- (Patch July 21, 2015) Note: Abathur once again plays a digging sound when using his Deep Tunnel.