Atleast during early game, the turrets act like a 2nd tower. Heimer makes it very difficult for his opponent to advance minions up a lane, and once 2-3 turrets get planted, my teams generally don't move past the turrets until level 6+ when health is ample enough to take a few hits. Between planting turrets and a tower in the backfield, Heimer sits in a very protective spot that grants him near immunity from ganks until mid-to-late game.
Turrets appear too easy to create as well. How is it during early game that this champ can plant 3+ turrets? It's as if another champion is in the lane with him. Also, the rate of fire is a bit ridiculous, and their health early on is quite high. Lastly, the duration is very lengthy. Do these turrets work without a resource drain (mana, ammunition, etc)? That seems a bit odd.
I would also like to comment that I laned beside Heimer for a game. The fact that he can plant a turret in the side forest entrances of lanes early on made it impossible for a player to attempt any ganks against us. A single turret watching a side entrance also provides vision to that area, so not only do we have an offensive unit guarding a side entrance, but we also have forewarning of a possible gank attempt. Of the games I played yesterday, I don't think anyone even bothered to gank Heimer early on. What's the point if this champion can sit behind minions AND turrets with a tower to his back, let his turrets farm gold, and he remains mainly out of harm's way.
Some things that should be looked into:
- Reduce health
- Reduce duration
- Reduce # of active turrets
- Reduce rate of fire or decrease damage
- Add a resource required to operate (say it gets 25 shots or something, then disappears, or it drains a small amount of mana from it's owner per shot)
Edit: I also wanted to comment that this hero, when typically playing defensive, creates some very long-duration matches. I thought LoL was moving towards a more offensive approach? I'm sure this champ can be played offensively, but by default his abilities scream defense.