The real potential with purifier aside from censure/seal is Kalastor. Anderos kalastor mod was recently buffed so it should be able to produce good times. Dunno if it will be as good as breaker but it will be good.
Sorc survivability is quite nuts actually! I pretty much facetank everything on mine in cruci. Lots of cdr with classic bshield/mirror combo and huge up time on behemoth/phoenix makes you super tanky. I prefer the sorc version too despite it being lower damage 
24/7 devastation is awesome
Doesn’t look like much, honestly… https://www.grimtools.com/calc/dVbkKGgZ 
At least doesn’t look like it can support this concept of 100% ele to fire.
Care to show gt/link? Sorc is certainly flashier. And Mirror is golden, yes, I know that much after playing this shieldbreaker. But 60%rr… Even 3 Devastations won’t beat that!
I can smell the nerfs approaching, can you?
GJ, ya! Very interesting devo setup(seekers+torch). Although i still don’t know why my Pyran Sorcerer(post) can do only 5:50-5:55 runs(my calc) that is signifacant worse even to Ulzuin Sorcerer.(both in damage and survabillity)Anyway, thanks for sharing!
I smelled when i saw my 6:15 on my old PC.
Ya1 good one! I asked some ppl to try with mad lee changes my build but they didn’t have time. At least we can see sub 5 min. Thx too mention me. 
Ya, how works seeker? U place it and shoots?
Thx for sharing, here I go:
-you focus on burn too much. With Mortars things shouldn’t have time to burn. Glass gloves are a must.
-Also, you got some points wasted in Agonizing. Devastation gives you flat rr already. Trasmuted BwC is imo only good for debuffs - it’s dmg is negligible - so no need for Agonizing.
-Those points could find its way to Heavy Ordnance - even though you only got 30% lightning to fire, HO gives all important radius.
-My favorite place for Blast Shield is 10 or 14 which is where you get more max res.
-I don’t like that Entropic Coil. If you don’t love Pyre ring (tough love, true, it really got nothing except that conversion) use Light’s Oath for better Bat…
-where is your Bat? I conclude that you kite too much when not on Mirror/Blast Shield and you often get into situations that an be poetically described: “shit I’m low/and regen is slow” Also, your Hawk there is not finished, 3% oa always worth it (last node of Torch maybe).
No, it appears on target like Reap Spirit and returns to you, lives for 3 seconds with dmg aura and dies in a small explosion. Basically this devo gives you a very strong low radius damaging aura.
Bind it to any skill that ticks per second (I did to Vire with Volcanic Stride). Important to have enough cdr to to bring its cooldown to exactly 1s so that you can have 3 at all times.
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Thanks for you advices. But i prefer to use Ghoul instead of Bat . But anyway build works much better!
First off, nice work, @ya1!
Whilst I didn’t manage to read your post up until now, I was actually toying with a somewhat similar setup that - I was hoping - might also provide some more survivability/consistency.
This version of the Pyran SB averaged a clear time of ~5:13 with the best one being 5:01 (so close! God d***it!). I only did 6 runs total with this particular setup though). And I died on 170 once due to blinking away from Maiden so that tells you something about my piloting skills as well I guess 
Otherwise it felt pretty sturdy.
In my opinion, @Nandi’s Idea of using the +health regen Conduit was actually pretty awesome (I tested numerous 6-Mortar- versions as well, and whilst they had an improved clearing time of about 10 seconds, their clearing rate dropped by about 60-70%. Which was a little too much for my taste/skill.
Thus, in additition to going for that I also tried to maximise the gained profit (both defensive- and offensively) from our ~95% lightning to fire conversion by
- going for an almost fully converted 24/16+12/12 Vindictive Flame+Ulzuins chosen (that AdctH might seem puny to some - but Shieldbreakers need heals. Desperately. And since I reduced VF’s cooldown to under a second because of that amulet anyways, this fits surprisingly well.
- going for Ultos to finally apply those 20%RR in a safe and non-suicidal wannabe-melee fashion like you have to do whilst only relying on the Viper devotion.
I admit, however, that I have not personally tried either Seekers or RF. How big do you think the difference in damage between Ultos & Seekers might be @ya1? Since both RF and VM (the main alternative suppliers of Viper RR) seem to be kind of out of the question for this more defensive approach to the biuld, I wonder if the latter devotion is even a realistic option…
Edit: Oh yeah, those green pants in my GT are pretty specific, aren’t they? 
I just figured it would be a shame not to use them here - a pair of Arcane Harmony Leggings should do just fine too, though…
Like I said, I did 4:56 and then I gave up, knowing it’s not the best. If you watch the vid you’ll see many hiccups. Guys got stuck under the arch, didn’t aggro, Zantarin at 170 didn’t move in range (he alone cost me 5+ seconds). Speed running mortars is tedious. The further you are from spawn zones the bigger the chance someone doesn’t aggro. The closer you are chance is someone gets stuck under the arch. I estimate that if I hit that perfect run I could do 4:40 or better. I’m 95% sure this is the best optimized for damage setup that still has decent survivability. I’m only not sure about devotion bindings.
Ultos is never good for fire. It gives no %dmg. And now it was nerfed and there’s no reason to take it if you got Viper (carried by Vire). Its flat is small, and build has no weapon dmg to speak of. Seekers deal 1200 raw dmg per second and then 1500 every three seconds. When you convert and get their cooldown to 1s they’re borderline broken.
Regen. Without Behemoth all that flat from VF and conduit is not getting multiplied. You need %regen to fix those numbers. On the average, I got more regen than you without the conduit and the VF overcap.
Green. You can’t compare runs on a no-green and a green setup. No green racism here. But if I could fix res by handpicking affixes I could afford better gear (the boots). Then, I wouldn’t need Fervor and I could max all rr, too. Just one green would allow me to completely revamp the build.
Fervor is ok. Build doesn’t spam anything so charging Fervor once in a while has no effect on dps. Also, it has no offensive value so you only charge it when you need to facetank sth strong for a while. It’s defensive input, however, outvalues anything in the masteries you can spend those points in.
You need mobility here. Vire is a must. Also, with Volcanic Stride, Vire is one of the best proccers in the game as it carries 3.6s cd skill’s proc chance every second.
I absolutely agree with you here and am very sorry if my post came across as critique towards that 
What I instead was and still am trying to do is to find a setup that has comfortable survivability whilst also having the best dmg-output it can achieve in addition to that. Which is mostly because I enjoy playing and farming with Mortars and can’t bother to play too stressful a build over longer periods of time - and also because I am a tryhard min/maxer on top of that
Anyhow, your feedback really helped me in exploring new directions with this build, so thank you for that!
In regards to your arguments:
Ultos.
This I took mainly for the OA (after changing from Ice & fire rings to 2x Pyre I wanted to get back to 3k. OCD is a terrible thing…) & the ranged RR as mentioned before (=survivability*).
Now that you mention the absolute numbers, however, it seems pretty crazy that the Seekers do more than double the damage Ultos does (~1337/sec vs. ~635/sec – I think). I was still used to taking it as off-dmg-RR like Manticore and didn’t quite take into account its recent changes. Having to rely on VM for Viper RR on the Seeker setups still hurts a little though.
Regen.
On average, our setups seem to have actually both sat on a very even 1k health/sec (on average). Your suggestion of combining supermaxed VF with Behemoth did intrigue me though. Going that route even made me try to dip my toes into the cold waters of melee* 
Green.
I understand your point and realise that I probably should have tested with pure-purple-setups if I truly wanted to join a buildtesting discourse that relies on comparability. Which I kind of want to – but I also enjoy finding and then wearing cool MIs way too much. It’s basically the only remaining thing of GD’s loot-hunt that I still get a kick out of
*Mobility/Melee.
I realise that VM with its three separate instances of DoT is an absolutely amazing devotion proccer that also happens to conveniently carry RR for this build.
However, the two main uses of VM are really kind of mutually exclusive: either you use it to run away from danger – or you use it to apply RR/devos, which actually increases the danger you are in due to the increased prioximity to the enemy.
This, and the fact that Pyran SBs have no shortage of if not greater then at least decent devo proccers, is the reason I used to exclude it – and any melee components – from my build completely; and I honestly still don’t really like using it.
But yeah. If you can manage to stay in melee range, you will absolutely do more dmg with Vire & Co. – which is kind of the crux of all mortar builds I guess, as they are frail as a leaf, yet always most powerful when an enemy is standing still right in front of your face 
You don’t have to apologize for critique, intended or not. It’s more than welcome.
I’m not so sure about Vire Might proccing power anymore. I bound it to Bat on another build hoping that Volcanic Stride ticks will carry the 61% initial proc chance. It seems they don’t. Bat only procs on initial attack and after that only sometimes, very rarely. Should proc every second like a clock. On Seekers, though, it’s still good cause Seekers proc 100% off any ticking skill.
Regen is a small part of it. You can’t depend on it. So I’m skeptical of giving up one mortar for just a little drop of it. Converted Ulzuin Wrath and Bat should do most of the job. But the real secret is kill them before they deal any real dmg.
Vire is for proccing and mobility. It’s dmg is negligible. As for melee, you need to keep your enemies stationary anyway for the Mortars so I see no reason not to take Fervor.
Isn’t Bat’s base proc chance of 20% simply multiplied by the number of simultaneously applied dmg sources (in this case x3, resulting in the shown ~60% proc rate)? That still leaves VM as superior to a ton of other skills in terms of its ability to proc devotions in my opinion… unless of course you have 5-6 simultaneously applied dmg sources as with mortars, obviously - so there are of course better options in some cases. 
Why did you bind Eldtritch Fire to BWC instead of to Flashbang btw? Is it because of the higher AoE?
The regen scaling with that prefix is actually pretty amazing (for regen standards). As a tool of survival it might be a matter of personal preference, sure; but whilst other available defensive stats like flat absorption or %-based heals are much better in theory, the fact of the matter is that they are always just temporary on SB-builds. So if I want to be able to screw up my kiting on wave 169 (e.g. because I’m farming MIs whilst listening to podcasts and therefore quite as alert as necessary) but still survive 170 with Ascension on cooldown I need some form of constant healing. And since AdctH is no real option…
RF on the other hand is cool, strong, but also very deadly in the abovementioned circumstances (=varying degrees of sloppiness in piloting behaviour). Trust me. I tried. And died.
Whilst heroes can be facetanked either way, nemeses force youto kite most of the time anyways - but can actually be hit with mortars too during that time if you do it correctly (using pillars/walls, circling movements & blinking). Half their hitboxes are totally ginormous anyways
Let’s say its 20% chance to proc and you damage 3 targets simultaneously
Chance to proc = 100% - no procing = (1-0.8^3)*100 = 48.8%
Its like rolling a dice 3 times, what is the chance of getting “6 eyes” at least once.
No, proc chance depends on the skill’s base cooldown (cdr don’t matter). No cooldown skills, pets or ticking skills got the lowest chance. Vire itself is not a ticking skill and happens to have 61% on Bat. Volcanic Stride, however, ticks per second. I thought those ticks carry the full 61% proc chance. They don’t. When I run people over with Vire, Bat only procs from the initial attack and then from Volcanic Stride ticks it procs rarely. I think those ticks have 20% proc chance like all ticks do even though the tooltip shows 61%
Flashbang on Eldrich Fire. Yeah. Many top builders do that. I don’t. Flashbang is too slow, it’s clunky, the throw animation is slow and then the flight animation is like gravity on the Moon. It doesn’t really hit once a second even if you spam it. And it’s only 27%. If it had 51% percent like most cooldown skills then yeah, sure.
I don’t know about “I can’t facetank” thing… You got 4 seconds to facetank anything on Blast Shield. You can facetank all 4 nemeses at 170 if you will. If you watch my video you will see that I facetank absolutely everything. Sometimes I blink or Vire behind an enemy if I get surrounded and charge at 'em again. They shouldn’t live long enough to surround me again. Mortars don’t work if you can’t keep them in one place so never ever kite. Oh, use pet attack on nemesis waves to make Mortars converge on the biggest threat. If you let them keep targeting random trash then, yeah, you’re gonna die.
As for sustain, Bat. You gotta put it on a thing that hits a lot of times per second. The only thing is Mortars.
Now that is something I wish I’d known before. Does this mean that to the game only the flat dmg sources of VM’s main skill are relevant in terms of devo proccing power? Or does it combine the flat and the DoT dmg (trauma, bleed) as one single instance of dmg able to proc devos? Because that should then still carry the initial proc chance over the duration of said DoTs, shouldn’t it? 
Exactly. 4 seconds are all I’ve got. And because, as mentioned above, I mistrigger/am forced to misuse BS & Ascension by for example facetanking too much on 169 sometimes when I’m too distracted by music/podcasts, I prefer to just generally apply more kiting.
When talking about kiting as a viable alternative to facetanking, though, I was actually more refering to a kind of dodging/sidestepping movement as opposed to “running as far away as I can with my tail between my legs” (which happens sometimes, too, I admit – resulting in the odd 5:30 run every now and then). So I might have mislead you here too
Maybe this becomes clearer if I use the w.170 clear in your video as an example: instead of facetanking Grava & Reaper once in the middle and once at the bottom left stairway, I try to pile them up in/around the bottom left of the four middle pillars an then dodge them in a controlled circling movement that also keeps them in one place (whilst of course I try to focus-fire down one after the other with pet attack too). And regen feels really good against the occasional hit I take during such movements
Edit: I finally brought myself to creating a Youtube-Account, so I uploaded a video that should hopefulley show what I was talking about more clearly than any post I could write you here
The most interesting part of it is probably wave 170 (starting at ~2:32). Note: the video only contains waves 160ff (crappy upload speed) & was done a few days ago with my old 5 Mortar/Ultos setup. The full run took about 5:12 (not the best but about the average clear time of that particular setup).
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Dot ticks can not proc devos. The fire trail that VM gives on “Volcanic” stride is “ticking” skill just as Sigil of consumption, Bloody box, Strom Box etc. Each tick and each enemy affected has a chance (the chance listed by the devotion bind) to proc devotion.