It's an interesting item idea. The main issues I see are that it makes heroes way worse at the soul deny mechanic, it makes gun more bursty (which takes away from spirit's niche), it affects heroes differently (shotgun heroes and Bebop would more than double their weapon shot damage, whereas...
Effects like this are only ever useful on mobility cooldowns because when you get a kill you are usually way out of position to immediately use the refreshed cooldown. For most characters, I see this item as not being too useful. On Kelvin it would be a meme. On Vindicta, especially with a...
Proposal:
T2 Green Item named Lineman (after the profession)
-damage does not cause you to fall off of Sky Rails
-passive (30s)
You can grapple a Sky Rail while taking damage.
Goal: The game is often dominated by movement speed unga bunga blobs that roam and many traditional aspects of MOBAs...