Item Concept

I was thinking about Rengar and how he has conditional mobility across the map. He has to be close to bushes to use it. What if a similar concept was applied to an item? It could give different effects based on what terrain / units you were around. If you're within x units of dragon, x effect applies. If you're within x units of an enemy turret, x effect applies. I feel like we do have this to a certain extent when it comes to the Point Runner effect from Raptor's Cloak (when close to ally turret, gain movement speed).

I think these items would be a good addition to the game, because it offers another layer of depth. Rengar does not have mobility outside of using bushes. When I think of how these items would affect a champion, I just imagine other champions having the same conditional effect as Rengar. What if Alistar could dive from bushes, too? I think having a situational / conditional effect tied to terrain/surroundings that any champion could have would be complex and strategic and healthy for the game.

If you've got some cool ideas to play around with, I'd like to see 'em.