Grappling Hook is a level 30 Outlaw rogue talent.
Patches and hotfixes
- Hotfix (2017-06-13): "Casting Heroic Leap, Infernal Strike, Metamorphosis, or Grappling Hook while rooted will no longer consume the cooldown."
- Hotfix (2016-08-12): "Heroic Leap, Grappling Hook, Infernal Strike, and Metamorphosis will now work more consistently, especially going up hills."
- Patch 7.0.3 (2016-07-19): Added.