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Corruptor Zero Fully Powered Blast

Aelanis's Avatar

10.22.2013 , 09:15 AM | #1
So I was tanking 8M HM DF last night (we progressed past Draxus the previous night and wanted to keep clearing bosses), and while Grobthok was a joke, we started banging our head against Corruptor Zero. We didn't get him down that night, but we're still working on strategy, and had only done it once, maybe twice on SM before going into HM, so our tactics were likely bad. I realize that Heavy Slash's DoT ticked on me through it's full duration most of the time, and I know there are some other rather dumb things that were done, but that's not the point of this, though suggestions would be appreciated

The purpose of this post, though, is to try to clarify my confusion on something. In the other times we fought him, whenever I got hit by Fully Powered Blast, it hit me for some decent damage, but nothing that couldn't be healed through. The last hit in this fight in the linked log shows that it hit me for 44762 damage, which would have killed me from full health. I suspect it only hit so hard because of the stacking debuff I had at the time, but how could we avoid having this happen in the future? This particular attempt was going fairly well until I got caught in an Anti-Gravity field and then got wrecked by that one hit.

EDIT: Here's the log
Dulfy Guides: Hatred, Serenity, Darkness, Kinetic Combat
Ellendra - Death MarkExit Area - Theraton
The Shadowlands

NogueiraA's Avatar

10.22.2013 , 10:07 AM | #2
I and my guildees are trying to kill this guy, very hard atm.
I'm healing and could notice that the tank takes more damage if he has some dot on him, from the laser or the other one, I cleanse ASAP and I can heal through the "normal" damage. He does some 20k+ hits constantly.
Watching Dulfy's video, there's no 20k+ hit on the tank like I'm seeing on my raid.

And what I didn't like this fight is "bring 3 snipers you'll be ok".
Beta tester/Shadowlands.

Aelanis's Avatar

10.22.2013 , 10:29 AM | #3
Yeah, I noticed a few points in the fight where I'd get hit for 9.8k twice in one second by his Sweeping Slash move, which wrecked me pretty hard. The healers certainly weren't happy with that part, hehe.

EDIT: What guild are you doing this on The Shadowlands?
Dulfy Guides: Hatred, Serenity, Darkness, Kinetic Combat
Ellendra - Death MarkExit Area - Theraton
The Shadowlands

Levram's Avatar

10.22.2013 , 11:16 AM | #4
The punishment for mistakes in the Corruptor Zero fight at the current 72 gear level is basically a wipe. This fight is highly unforgiving.

One specific tanking mechanic that must be executed perfectly each time is that the tanks cannot be caught in the Anti-Gravity Field. Each tanking class has their escape mechanism; Assassins speed away, Juggernauts can leap to a friend or enemy in range, and Powertechs have Hydraulic Overrides and can also Jet Charge to an enemy in range.

It is possible for a tank to survive being caught in the Anti-Gravity Field, but only with the quick assistance of the rest of the team. 1) The healers need to basically anticipate you being caught in one and have solid HoTs rolling on you and almost be pre-casting a big heal on the tank affected. 2) The free tank must attempt to taunt the boss off the tank that is caught in the Field, though we've haven't discovered a consistent way to taunt the boss off the tank that is caught. There's a bit of luck involved.

The tank that is caught in the Field will take anywhere from 10K-40K+ damage depending on a variety of factors including the number of debuff stacks they are carrying, how many hits the boss gets in before loosing interest, and what defensives are up.

I'm not familiar with the Republic side or Shadow tanking at all, but your combat log shows you loosing the following effects between the time you're caught in the Field and when the blast hits you: Focused Defense, Impact Control, Battle Readiness, Harnessed Shadows, Guard, Kinetic Bulwark, and Force Synergy. My guess is that you're super-vulnerable at that point.

Below is a video of my first Corruptor Zero kill with The Drunk Tanks team I run my Operative healer, Ivs, with on The Shadowlands. It's from the Assassin tank's perspective, Dough. You can see the tanks kiting the boss around to help them stay a couple steps ahead of any Anti-Gravity Field being cast. The Powertech tank, Mandalo, gets caught in the Field once and you can hear me saying I've got the heals ready for him to survive and the Assassin tank also successfully taunts the boss off him. As well, you can see the Sorcerer healer pull the stunned Powertech away from the boss, so it took a full team approach to save him that easily. Finally I was also trying to use my intuition during the fight to anticipate when the Field was going to be cast. You can hear me say "Ok, get ready for Anti-Gravity. I can feel it coming," and it is cast a second later.

Bedroom Intruders kill HM Corrupter Zero (feat. Ivs)

TLDR: Tanks must not be caught in the Anti-Gravity Field.
Acuzel (Assassin DPS/Tank) Ivs (Operative Healer) Praeco (Powertech Tank)
The Imperial Order
The Shadowlands

KeyboardNinja's Avatar

10.22.2013 , 11:24 AM | #5
Your tanks are probably not swapping fast enough. Anything above four stacks is MURDER. We generally swap on the first add pack, then at 3-4 stacks, then on the next add pack, and so on. Keeps the tanks at or below 3 stacks at all times. Make sure that only one tank is standing in front at a time, since the stacks are refreshed by the cleave.

Healing this is definitely challenging. It is very important to CC the D-15 add in each spawn, then kill the healers, AoE the little guys, and finally kill the D-15. Having a Cunning class or a Sentinel/Marauder is really good for that, since their droid CC has no cooldown. Here's a video from a very-laggy commando healer's perspective. There were a few 20k+ hits on the tanks, but not many and we were mostly able to keep ahead of it. Note that we did actually have people getting caught in the field a few times. It was bad, but it's not really a wipe-inducing effect as long as your healers are on top of things.
Computer Programmer. Theory Crafter. Dilettante on The Ebon Hawk.
Tam (shadow tank) Tov-ren (commando healer) Aveo (retired sentinel) Nimri (ruffian scoundrel)
Averith (marksman sniper) Alish (lightning sorcerer) Aresham (vengeance jugg) Effek (pyro pt)

Aelanis's Avatar

10.22.2013 , 11:24 AM | #6
Those are everything I had going all at once. Oddly enough, the game removes all buffs from you in your log before you die. But from what you said, it sounds like the boss just murders any tank caught in the anti-gravity field before he drops aggro. Looks like I'll need some practice getting away. I wonder, though: does resilience/shroud work on it?
Dulfy Guides: Hatred, Serenity, Darkness, Kinetic Combat
Ellendra - Death MarkExit Area - Theraton
The Shadowlands

KarethRiker's Avatar

10.22.2013 , 11:26 AM | #7
Above poster is right. You must avoid the anti-gravity field and do your tank swaps at the right time. Blow your CDs at the right time as well. I believe resilience will negate a great deal of his ranged damage and you deflection should help with the heavy slash.

Not sure what healers you run with but you can have your sage bubbling you and pulling you out of the gravity field if you have one.

The fight is easily doable with no ranged on HM, but the tanking has to be done properly as do the mines. Fix the anti-gravity field and the swaps and you'll get it.
Kareth Kalzeth Kairieth Karzeth Karyeth
Kelschuz Staccia Karjeth Karxeth
The Last Centurions - The Harbinger

Aelanis's Avatar

10.22.2013 , 11:27 AM | #8
With regards to KBN, we decided, my co-tank and I, to try to swap faster for our next set of attempts, that anything over 4 stacks was obliterating us if we didn't have a cooldown going. Thanks for the tip on the elite among the adds, that will definitely make things easier for us, as our Sentinel can deal with that each time. We were also trying to have 2 DPS split off and deal with adds, but we're probably going to switch to all DPS on adds every time.
Dulfy Guides: Hatred, Serenity, Darkness, Kinetic Combat
Ellendra - Death MarkExit Area - Theraton
The Shadowlands

drummerinthesun's Avatar

10.22.2013 , 11:36 AM | #9
I just ran this last night and anytime I was caught in the gravity field, he just aggro dropped and I taunted him back when I was able to do so. I was only hit by him once in the 5-6 times it happened that night. The part my team is getting stuck on is the unified laser. The cast is so quick and it's hard to tell where he's going to drop the first time.
Darkness Assassin - Cai'us, The Shadowlands
Vengeance Juggernaut- Ca'ius, The Shadowlands

Panzerfire's Avatar

10.22.2013 , 12:35 PM | #10
Was this bugged on the first week?
I remember that when it came out me and my co-tank (both assassins) did this on 8 HM and didn't avoid any of the gravity fields because, frankly, we were lazy and it did very little damage. Now on the 2nd and 3rd weeks they do seemingly more damage.