Tuesday 11 December 2012

Discussion of 2 and 4-set bonuses for Disc


Tier 14 Priest Two- and Four- set for Disc:

First a reminder of what the set bonuses are
2-set – Reduces the mana cost of your Flash Heal spell by 20%
4-set – Reduces the cooldown of your Penance spell by 4 sec.


2-set

Lets look at how this improves the HPM of flash heal:

2set
Heal
Cast Time
Mana Cost
HPS
HPM
Without
57890
1.44
17700
40201
3.27
With
57890
1.44
14160
40201
4.09

But let's compare this with other single-target heals(and ignoring binding heal's self heal):

Spell
Heal
Cast Time
Mana Cost
HPS
HPM
PW:Shield
93949
1
18300
93949
5.13
Binding Heal
40411
1.44
16200
28063 (56126)
2.49 (5.00)
Greater Heal
77202
2.4
17700
32168
4.36
Penance (glyphed)
67203
1.92
11160
35001
6.02

From a purely tank healing perspective, 2set flash heal is still really low hpm, although it is about 5-7k higher hps. However, disc's job at the moment (5.0.4) is to raid heal!

Now have a look at some logs, see whether disc priests are actually using fheal (chosen at random), and show how much mana having 2set would/did save them:

Imperial Vizier Zor'lok:

Name
Guild
Number of Flash Heals
Mana saved
% of Healing
Arnymacsek
Grim Funeral
1
3540
0.1
Medii
Midwinter
0
/
0
Shibo
Insomnio
8
28320
2.3
Sevillia
Scrubbusters
12
42480
2.5
Healdegard
For the Horde
0
/
0
Pews
Vodka
2
7080
0.5

Garalon:

Name
Guild
Number of Flash Heals
Mana saved
% of Healing
Stronzium
Set sail for Fail
0
/
0
Medii
Midwinter
0
/
0
Hailow
Legends Never Die
0
/
0
Sevillia
ScrubBusters
0
/
0
Xabok
Method
0
/
0

And from Security's logs for Grand Empress Shek'zeer over all fights:

Player
No. of Flash Heals
Mana saved
% of Healing
Mana saved on Average per pull!
Care
168
594720
1.7
31301
Leeloo
14
49560
0.2
1709
Anjanas
31
109740
0.4
3784

So let's take Sevillia's mana saved from Imperial Vizier Zor'lok, 42480.
Which is 393.3 mp5 saved, equivalent to 696 spirit for a gnome, or 675 spirit for a human (not counting rapture, which would devalue it further).


This means taking the two set over other gear, on a fight where the occasional fheal is necessary, is only viable when the other gear is of less than 696 spirit upgrade, and only if you're going to use the fheals :P


4-set Bonus:

This improves the healing of Penance overall across the fight (if we were casting it on cd orgiinally, and wanted to cast it more)

Recycling the charts from above:

Spell
Heal
Cast Time
Mana Cost
HPS
HPM
Penance(glyphed)
67203
1.92
11160
35001
6.02
PW:Shield
93949
1
18300
93949
5.13
Binding Heal
40411
1.44
16200
28063 (56126)
2.49 (5.00)
Greater Heal
77202
2.4
17700
32168
4.36
FHeal(2set)
57890
1.44
14160
40201
4.09

Penance is disc's highest HPM spell, with below average HPS. However, glyphed it can be cast whilst moving (particularly useful in heavy single target damage situations where moving is important).

Returning to logs to see how many times per kill penance is used:

Imperial Vizier Zor'lok:
Name
Guild
Number of Penance Ticks
% of Healing
Arnymacsek
Grim Funeral
18
0.8
Medii
Midwinter
0
0
*Shibo
Insomnio
63
4.4
Sevillia
Scrubbusters
3
0.3
Healdegard
For the Horde
19
1.6
Pews
Vodka
8
0.5

*has four set.

Garalon:

Name
Guild
Number of Penance Ticks
Mana saved
% of Healing
Stronzium
Set sail for Fail
0
/
0
Medii
Midwinter
0
/
0
Hailow
Legends Never Die
0
/
0
Sevillia
ScrubBusters
0
/
0
Xabok
Method
0
/
0


And from Security's logs for Grand Empress Shek'zeer over all fights:


Player
No. of Penance Ticks
% of Healing
Care
213
0.7
Leeloo
573
1.9
Anjanas
685
3

But the only situation I can see casting penance on cd is sustained tank damage with no aoe, or if a disc is assigned to the tank. For raid damage it appears to have little hps benefit to us, and is of no benefit hpm wise.

Now looking at gear, assuming a stat prio of :
Spirit to comfort > Intellect > Spirit > Mastery > Crit > Haste

BIS list (pure stat) Discipline
Head: Tier Head
Shoulder: Tier Shoulders
Chest: HoF Wind Lord
Gloves: HoF Zor'lok
Legs: MGV Stone Guard

For certain fights having the set bonus may be recommended. For all but Tsulong (which everyone in existence (and myself) is holy for) I haven't even had 2-set (let alone 4). Thus, I can only suggest that 4set is probably useful on Sha HC phase 2, but it isn't game-breaking, and I'll add further to this once I've been able to see Sha in a bit more detail (ie, tonight – hopefully).

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