Quote from JKlimekI'd imagine Whirlwind + Battle Rage isn't a combo. I know you mention it in your video that it doesn't "seem" like you're ever below max fury, but if you're able to keep up Wrath of the Berserker then you obviously aren't at max all the time. I would be interested in seeing results in a controlled test scenario.
I think it's important that you send us a link to your gear as well. I've seen a lot of "unique" builds that only work because with the gear the user is using they could basically be doing anything they wanted to and be working fine.
It looks like in your video you are still spamming Sprint (another argument against Berserker passive), and if you're going to do that I don't know why you wouldn't still use Run like the Wind rather than basically using sprint with no rune. At the very least you could use one of the other slightly above useless runes like Rush.
Using Leap as your resource generator was probably a good idea. There are other more defensive ones if you're under geared a bit, and you could also look at Ground Stomp with something like wrenching smash to bunch up the enemies for your WW or Foot of the Mountain to get more fury to start with (not sure if you need this or not...)
[Edit] I can't believe I forgot this, it was the only reason I came to post! Don't just post videos!!! You're on a forum where the medium of choice is text. Not everyone can sit down and watch the video and in any case, writing out a case for your build is going to come off better than a couple blind links.
There is text?
What I wrote is basically the idea behind the build explained - also with a skill calculator linked, it makes it easier for the individual to actually follow up and try the build themselves.
If you actually did watch the video to the end, you'll have witnessed that, the reasoning behind NOT using the ground stomp with wrenching smash over Leap with Call of Arreat, is because the CD on the leap is only 10 seconds, over the 12 seconds on ground stomp.
I did do a lot of testing, and I was able to keep the buff from the 25% beserker rage passive up. It takes around 0.5 seconds to the buff actually disappearing after not being at full fury, therefore making it possible even with the sprint spam to keep the wotb up to gain the 25% dmg bonus effect from the beserker rage passive.
Also, it seems like you didn't get the purpose of the challenge my friend bestowed upon me "make a new unique WW build" meaning I can't use the core elements of a WW build which are: Sprint with Run like the Wind and Whirlwind with Hurricane.
Your WW + Battle rage not being a combo statement I didn't quite understand, since I didn't say anything about WW + battle rage being combo xD.
As for the gear, you just need to fullfill the basic WW gear standards, 30% crit unbuffed etc.
Sorry if my reply sounded offensive! I am not very good at expressing myself in English