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Old 02/06/07, 10:25 AM   #1
Nfariessence
Bald Bull
 
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Nfariessence
Worgen Warlock
 
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Last night we took down the Ogre King and had our first peek at Gruul. We knew nothing about the fight so we began with the standard "experimental" setup.

1 MT flasked and buffed to a reasonable HP, balanced group with assigned healing. OT's assigned to pick up any possible adds. SPriest and Feral in healing mode. Everyone spreading out for possible PBAE or chain effects a la C'thun. And about 30 seconds into the encounter we met up with Shatter and got 2 shotted.

We went back and enabled our /CTW's and told people to scatter after the knockback. No pets we exclaimed after a Water Elemental Shattered me for about 750 damage. We ran through the event several more times trying to figure out the mechanic of Shatter, but each time we got pretty summarily handled. We experimented with how close you can get without aggroing him, with trying to leash him to prevent total wipes (he can't be leashed), and lots of naked high dives off of the edge of Ruuan Weald while spirit running.

Has anyone been able to figure out what controls the Shatter effect? I don't think it's close-proximity based because the people who killed me each time were nowhere near me. I was a good 20 yards away from the nearest player and I still took 2 shots for about 5k each that killed me... and the people closest to me weren't the people that showed up in my combat log.

Usually with incoming damage, it falls into one or more of 3 categories: Avoidable (a la phase 1 C'thun or Thaddius' Polarity Shift), Mitigatable (a la Vaeleastrasz), or Healable (Loatheb). Does Shatter just fall into one of the latter 2 categories?

I did a search for Gruul and Shatter and returned no posts, so hopefully this is the right time and right place to discuss this.

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Old 02/06/07, 10:35 AM   #2
Cannings
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Undead Warrior
 
Balnazzar
Shatter actually chains from person to person doubling in dmg each time, we had pretty much the same experience as you, after speaking to a few friends in nihilum it seems that limited invul pots are a great help here and using the full space of the room is the other.

But the bigger problem is the amount of dps needed on gruul to take him down before he gets too big (15 stacks of so) to 1 shot the tank

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Old 02/06/07, 10:52 AM   #3
Cryect
Bald Bull
 
Night Elf Druid
 
Stormreaver
Hmmm, shatter doesn't seem to chain nor double looking at combatlogs. If it did you would expect to see really huge numbers which you just don't see. Also some attempts there is very very low amounts of damage (less than 100 damage people take) and other shatters all the numbers are several thousand with no low ones.

Also it appears to be distance base off our attempts or I should say at least it seemed to correlate from my personal shatters and looking at the values I was taking. Another thing is that when you shatter both you and the other person take the exact same amount of shatter damage (taking into account zerker/defensive stance of course).

I need to do something useless.

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Old 02/06/07, 10:56 AM   #4
thebuddha
Piston Honda
 
Human Warlock
 
Shattered Hand
Originally Posted by Nfariessence
I don't think it's close-proximity based because the people who killed me each time were nowhere near me. I was a good 20 yards away from the nearest player and I still took 2 shots for about 5k each that killed me... and the people closest to me weren't the people that showed up in my combat log.
Are you sure about this? From my experience it seemed to be a direct linear relationship between damage taken and distance to people around you (range being 0 to 10k).

Originally Posted by Cannings
Shatter actually chains from person to person doubling in dmg each time
Again, I didn't see anything that would suggest a doubling of damage; do you have a combat log etc. that would explain why you came to that conclusion?

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Old 02/06/07, 10:59 AM   #5
♦ Praetorian
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I'm not sure if it's a direct linear relationship -- I think it scales differently than that.

But yeah, if you and another player share the exact same X,Y coords, you will take 9000 damage (theoretical max) from each other. I believe the max range is 20 yards. As you get closer to 20 yards apart, the damage drops off. I've seen as low as 300ish.

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Old 02/06/07, 11:04 AM   #6
thebuddha
Piston Honda
 
Human Warlock
 
Shattered Hand
Originally Posted by Praetorian
I'm not sure if it's a direct linear relationship -- I think it scales differently than that.

But yeah, if you and another player share the exact same X,Y coords, you will take 9000 damage (theoretical max) from each other. I believe the max range is 20 yards. As you get closer to 20 yards apart, the damage drops off. I've seen as low as 300ish.
I've never been good with estimating yards in-game but 20 sounds a bit high to me. I'm fairly confident that the room is large enough that all 25 members can spread out and take 0 damage from each other. Obviously, the knock-around coupled with the slowing down makes that difficult to accomplish during the encounter.

Also the damage can crit which isn't much fun. I've had runs where I get Player A crits you for 12000. You hit player A for 6000. I'm not sure if 'hit' is the right verb but the numbers are accurate.

Edit: if the damage isn't linear what is it? For me it felt like standing about halfway between on top of and max range led to about half damage.

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Old 02/06/07, 11:08 AM   #7
Malan
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According to some comments on wowhead.com regarding shatter, 20 yards or more = 0 damage, with damage increasing as you approach 0 yards.
Take that for what it's worth I suppose.

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Old 02/06/07, 11:29 AM   #8
Avair
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Avair
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According to some comments on wowhead.com regarding shatter, 20 yards or more = 0 damage, with damage increasing as you approach 0 yards.
Unless his hitbox is huge, this doesn't seem to make for a very melee friendly fight. You could probably only have 2-3 melee at all on him without bunching up too much.

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Old 02/06/07, 11:30 AM   #9
♦ Praetorian
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Mal'Ganis
Well: http://thottbot.com/?sp=33671

I'm pretty sure that yes, it's 20 yards.

My best guess on how the damage works is that you take damage equal to:
[9000 / (20 / [20 - D] ) ]

Where D = Distance.

At point-blank range, you'd take 9000 damage.
At 5yd, you would take [9000 / (20/15)]

[top] 6750 damage.
At 10yd, you would take 9000 / 2


4500 damage.
At 15yd, you would take 2250 damage.
At 19yd, you would take 450 damage.
At 20yd, you'd take 0 damage.

Maybe it's not exactly that formula, but I think it's close.

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Old 02/06/07, 11:32 AM   #10
♦ Praetorian
Mike Tyson
 
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Orc Shaman
 
Mal'Ganis
Originally Posted by Avair
According to some comments on wowhead.com regarding shatter, 20 yards or more = 0 damage, with damage increasing as you approach 0 yards.
Unless his hitbox is huge, this doesn't seem to make for a very melee friendly fight. You could probably only have 2-3 melee at all on him without bunching up too much.
There's more to it than this -- do the fight first before speculating. There's a lead-up to the shatter, and that involves a ground stomp that sends everyone flying and jumbles up positioning.

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Old 02/06/07, 11:40 AM   #11
Cryect
Bald Bull
 
Night Elf Druid
 
Stormreaver
Originally Posted by thebuddha
I've never been good with estimating yards in-game but 20 sounds a bit high to me. I'm fairly confident that the room is large enough that all 25 members can spread out and take 0 damage from each other. Obviously, the knock-around coupled with the slowing down makes that difficult to accomplish during the encounter.
Its not. The spell description is 20 yds which is hopefully correct though personally I'm not sure. http://thottbot.com/?sp=33671

I've measured the room to have a diameter of 100-110 yds.

Area of the Room = ~7854 sq yds
Area of 20 yds = ~1257 sq yds

Something interesting though is

Area of 10 yds = ~314

Then this number times 25 is equal to the room's area which of course is since 25*10*10*PI=50*50*PI but wouldn't be surprised if its balanced around that assumption. Reason for 10 yds is because you don't care about the circles have a diameter of 20 yds you are working with fitting into the room but 10 yds since what matters is do these 10 yd radius circles touch either and if they do you take damage then (10yds +10 yds=20yds meaning you are close enough to take damage). This means in theory you can fit 25 circles potentially into this space if you could reshape them into other shapes, but one more additional factor is the circles can be on the edge of the room meaning you need to test for if you can potentially fit 25 10yd radius circles into a circle of 60 yd radius. I know there are formulas for how many circles you can fit into a circle but I sure don't remember them (involves knowing how much wasted space there is when you fit circles as compactly as possible etc).

Lowest damage I've got recorded for Shatter is "Aevi's Shatter hits Jiglee for 77."

Also think I will look at creating a small addon for sending all the player positions when they turn to stone. IMBA had the ability to do that type of thing right up till 2.0 when it broke and I never did add code to display the data.

I need to do something useless.

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Old 02/06/07, 11:44 AM   #12
thebuddha
Piston Honda
 
Human Warlock
 
Shattered Hand
Are you taking into account the people standing with their back against the wall? I.e. only requiring a half-circle area to fit in as opposed to a full.

Edit: nm, missed it on first glance.

Even if you can't EXACTLY fit everyone in, obviously, there's not much to worry about taking 500-1000 damage.

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Old 02/06/07, 11:46 AM   #13
Natrozim
Von Kaiser
 
Human Death Knight
 
Burning Legion
Originally Posted by Praetorian
At point-blank range, you'd take 9000 damage.
At 5yd, you would take [9000 / (20/15)]

[top] 6750 damage.
At 10yd, you would take 9000 / 2


4500 damage.
At 15yd, you would take 2250 damage.
At 19yd, you would take 450 damage.
At 20yd, you'd take 0 damage.

Maybe it's not exactly that formula, but I think it's close.
Well at least for the 10-15 yards it seems true, I remember taking very similar damage to those numbers and I was about 10 yards (easy to find thanks to C'thun watcher, I guess we'll have a gruul watcher mod soon :P) from people on the last attempt on him.

The fight mostly looks like a gear check and a mass consumables fest, at least with our current gear, since id say most people at Gruul right now already have done C'thun and at least from my pov the spreading out is a very similar ability and easy to learn. Guess it's time to already go farm flasks of supreme power and greater shadow power pots :)

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Old 02/06/07, 11:55 AM   #14
Cryect
Bald Bull
 
Night Elf Druid
 
Stormreaver
Well its a little different from C'thun in its asking you can you spread out in ~5 seconds.

You won't have a gruul watcher mod likely anytime soon unless I fix my IMBA position tracking code or someone else looks at what I was doing there and implements something similar. The nice about C'Thun is the ability is close to the range of distances we can already check with InteractDistances which can check distances of ~11yds and 30yds (used to be also ~5 yds but that was for inspect distance which was doubled). The issue with an addon doing something similar to how I track player positions is it requires communicating your coordinates to other players.

I need to do something useless.

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Old 02/06/07, 11:56 AM   #15
Edgewalker
Piston Honda
 
Tauren Warrior
 
Kil'Jaeden
Originally Posted by Cannings
But the bigger problem is the amount of dps needed on gruul to take him down before he gets too big (15 stacks of so) to 1 shot the tank
You can do 20-25% a minute with properly set-up groups / everyone in hybrid gear. You only need 4-5 healers at the start, no reason not to DPS zerg as quickly as possible.

Limited Invulns are also nice, but I would assume not intended and due for a hotfix.

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