How about giving one of the new heroes the ability to run on walls? This would add another dynamic element to the gameplay, providing a unique way to either escape from a fight or initiate one from an unexpected angle.
Key Features:
Escape Mechanism: Allows the hero to quickly evade danger by...
After ziplining to the blue lane, bots will move back and out of view towards the Walker, shooting my creeps while moving backwards. Eventually bots zipline back to the lane and repeat this, moving back while shooting my creeps and out of view towards the Walker.