User blog comment:Willbachbakal/(Champion Rework) Rumble, the Mechanized Menace/@comment-26815373-20160910034130/@comment-1330314-20160910043633

Yeah, I'm on the fence about removing Danger Zone. As mentioned below, I removed it because I think it's mainly just a tool to get Rumble to stack Heat in lane, instead of just using Q all the time, and the above kit would hopefully incentivize that more naturally, though at the same time it's a pretty cool part of his identity, and I initially posted this rework with a Danger Zone bonus to Flamespitter. If you want to rationalize its permanent activation, the idea would be that it would be Rumble's primary way of venting Heat, rather than generating it, which he'd do through his basic abilities.

As for the design, I agree that it's very risky, so while I do think Rumble's Heat is what should allow him to have no cooldowns, there's always the risk that his abilities might be difficult or impossible to balance as a result, or generate abuse cases I haven't foreseen. If the immediate numbers for his passive seem low, that's because they're referring to his damage per quarter-second, rather than his damage per second, but if you're referring to his total Flamespitter damage per second, I do think 64-200 damage per second would be fairly okay, if only because it'd be pretty similar, and oftentimes identical, to the damage on his ult. I did initially do the numbers with the Danger Zone in mind, though, so they might need a buff.