Well, I'd actually like this. I don't know about you guys, but I love the grappling hook in Gotham City Impostors. Though, like everything, there would have to be some nicks and cranny's worked out. For example:
Grappling Hooks- 2/2 Grappling Hooks 1 Life
- 20x20 range (20 high, 20 horizontal)
- Doesn't Drag Player (Ex: Autoclimb wont drag you high)
- Doesn't Do Damage, Though Can Still Grapple To
Tell me how you think that sounds. I'll try updating it while we get more ideas.
Also, for those who don't know the game I mentioned, a video of some gameplay can be found here:
http://www.youtube.com/watch?v=5R2bMO_d7I8The grappling hook can be seen almost momentarily after the game starts.