Thanks, Hadd. Let me think through the numbers a little further to see if this thing would actually work.
Let’s start, actually, with Fire Leapquake. Based on numbers I came up with before, you can drop about 1200 EQs in a GR, which, with the MF rune, deal about 7.2 million damage. If our buffed Tribes gives us 6x and our buffed GoG give us 7x, we end up at about 303 million damage (this would put Fire Leapquake into the GR 138-140 range, at very high paragon). So that’s the general ballpark we should aim for in our EQ / AV / Rumble build, too.
Ideally, I guess I’d like to see each of those 3 skills dealing a relatively equal portion of the damage.
First thing we need to figure out is whether that rotation I suggested would actually work. If you’ve got 33.3% CDR, Leap has a cooldown of 6.66 seconds. It also takes about .75 seconds to Slam, so the actual cooldown you need to offset is more like 5.91 seconds. MOTE 2 cools down your skills by 1 second for every 30 Fury spent, so you need to dump about 177 Fury to reset your Leap.
Leaping generates 15 Fury, and the EQ you cause gives you 30 more. If an Avalanche is coming down every second, that’s an additional 30, but that only gets us to 75. I think you’d need DI to generate 4 Avalanches every second to actually have enough fury to complete this rotation.
4 Avalanches would give you 120 Fury, plus 15 from the Leap and 30 from the EQ. Adding in 10% extra from the Templar’s Inspire power, you’d be at 182, which would probably be enough (you could run Animosity, Weapon Master, or Gogok if there were any troubles).
Off the top of my head, that wouldn’t cause any problems. AV only ticks damage 2 or 3 times, if I remember correctly, so it certainly shouldn’t cause lag. And, since AV does such measly damage currently, it’s not as though you’d be doing an overly large amount of damage.
So, your rotation would be Stomp, Leap, Slam, Leap, Slam, Leap, Slam.
It takes .5 seconds to Stomp, .75 to Leap, and .75 to Slam. So that full rotation would take 5 seconds, total. In that 5 seconds, you’d deploy 3 EQs, 3 Rumbles, and 20 Avalanches. In a full, 900 second long Greater Rift, it would be 540 EQs, 540 Rumbles, and 3600 (!) Avalanches.
Again, let me say that Avalanche’s damage is currently so measly that, unbuffed, even this insane number of Avalanches would only do about 8.6 million damage, compared to 7.2 million, unbuffed, for Molten Fury.
With Tribes at 6x and GoG at 7x, those 540 EQs would do 4800 * 540 * 6 * 7 = 108,864,000 damage from EQ.
With Rumble’s damage essentially unchanged, except for the rate at which we deploy it, its damage would be roughly 5500% damage per cast * 540 * 6 * 6 = 106,920,000 damage from Rumble.
So to match the 303 million damage of Fire Leapquake, we need to get about 87 million damage out of Avalanche. We know that there will be 3600 of them, and that each does a base 2400% damage, so that’s 8.64 million damage, so we need about 10x to get to where we need to be. If AV is added to Tribes, that’s 6x right there, so DI would really only need about a 70% bonus. Call it a 100% bonus, since Rumble will lose a little damage from the 10 enemy cap on BoD, and I think this thing would work. That would be 8.64 million * 6 * 2 = 103,680,000 damage from Avalanche
I think this build would be fun to play, a bit different, would utilize one of the most-neglected Barb skills (Avalanche), and would be powerful but not OP (probably capable of around GR 140, at very high paragon).
The actual text of the Legendary power on DI could be "Ground Stomp causes Avalanches to rain down continuously for 5 seconds. Damage of Avalanche is increased by 100%."
It could be one Avalanche every .25 seconds, or 4 at a time each second… the former is probably better, certainly more visually interesting.
I think you’d want further castings of Stomp to simply reset the duration of this rain of Avalanches to 5 seconds, rather than causing a whole new set that could run concurrently, because then you would be just be spamming Stomp as much as you could, and that would be a dumb mechanic. Besides, 3600 Avalanches is enough!
Edit: Ugh, shoot, I forgot Threatening Shout and the EQ/AV’s it would cause via Tribes. I don’t think you’d run War Cry since you’d need BR:STP to stay alive.
You can generally TS about 135 times per GR, which would be another 135 AVs and EQs. This would only increase the damage of your giant Avalanche pile by only about 3.75%, to about 107 million, but it would increase your total EQ damage by 25%, to about 136 million. Which would make your total damage about 350 million, a significant (+15.5%, about 1 GR) step up from Fire Leapquake’s 303 million.
Maybe that’s ok. Or, with that in mind, you might want to drop the damage bonus from DI entirely. That would leave Avalanche doing only about 53 million, but with Avalanches being such a huge part of your fury generation, I think they’d still feel like a very important part of the build.