I decided to do some parsing with 3 weapons of nearly equal ratios to test the effect of weapon delay and ratio on DPS. I used one weapon at a time for accurate results, opting to use H2H for the opposing weapon slot for easy identification of damage of the tested weapon while maintaining a realistic environment by not using a non-melee item. The parses are all cut down to exactly 7 hours (25,200 seconds) as comparison parses on a level 98 Test dummy with 20 upgrades to mitigation. The three weapons tested wer The Dagger Pernicious, Midnight Star, and Eclectic Dreamblade. All augs remained constant in respect to weapon slot, with mainhand piercers having Blessing of Might and offhands having Slime Coated Pebble of the Deep, which is incorporated in the listed weapon stats below. I had full raid buffs with no poisons or other proc buffs or short duration buffs except Thief's Eyes. Listed directly below are some observations from the parses, followed by data and further explanations.
1) Weapon delay relates directly to the frequency of Massive Strikes.
2) A piercer with a higher damage to delay ratio but lower delay than another piercer can actually do significantly less DPS due to less Massive Strikes.
3) A piercer with less delay than another piercer with the same BS DMG has significantly less BS attempts and BS DPS due to less Massive Strikes
Weapons tested in Mainhand:
The Dagger Pernicious (103 Dam / 21 Del = 4.90 Ratio, 51 BS DMG, 320 DD Proc)
Midnight Star (94 Dam / 19 Del = 4.95 Ratio, 51 BS DMG, 0 DD Proc)
Weapons tested in Offhand:
The Dagger Pernicious (101 Dam + 1 Cold Dmg / 21 Del = 4.82 Ratio, 320 DD Proc)
Midnight Star (92 Dam + 1 Cold Dmg / 19 Del = 4.86 Ratio, 0 DD Proc)
Eclectic Dreamblade (115 Dam + 1 Cold Dmg / 24 Del = 4.80 Ratio, 192 DD Lifetap Proc)
Mainhand
The Dagger Pernicious: 3858 DPS (2012 Pierce, 1797 BS, 49 DirDmg) - 64664 Pierce attempts, 13655 BS attempts, 3685 Flurries, 968 Massive Strikes
Midnight Star: 3546 DPS (2019 Pierce, 1527 BS, 0 DirDmg) - 71225 Pierce attempts, 11453 BS attempts, 3958 Flurries, 887 Massive Strikes
Offhand
The Dagger Pernicious: 1540 DPS (1516 Pierce, 24 DirDmg) - 49956 Pierce attempts, 1234 procs
Midnight Star: 1535 DPS (1535 Pierce, 0 DirDmg) - 55206 Pierce attempts
Eclectic Dreamblade: 1502 DPS (1486 Slash, 16 DirDmg) - 43716 Slash attempts, 1292 Procs
I also parsed a Rusty Mining Pick with a delay of 38 to test the potential theory that Massive Strike is firing off of weapon delay instead of merely backstabs. Here are the results:
Rusty Mining Pick: 735 DPS (167 Pierce, 568 BS, 0 DirDmg) - 35488 Pierce attempts, 11255 BS attempts, 1924 Flurries, 899 Massive Strikes
The Rusty Mining Pick with the largest delay had the least number of attempted backstabs, but more Massive Strikes than the Midnight Star. It still didn't come close to matching the Dagger Pernicious in number of Massive Strikes.
The Midnight Star has more piercing damage than the Dagger Pernicious, but the lack of a DirDmg proc puts it below Pernicious in overall DPS. However, it would seem that the Midnight Star could jump ahead again when modified by various buffs, such as shaman epic, war cry, auspice, etc., as the piercing damage would increase as the proc damage stays the same.
Here is a list of the number of single, double, triple, etc. backstabs for each piercer, along with the total % of the total attempted BS's, in an attempt to find why the Pernicious had so many more attempted backstabs than the other piercers:
The Dagger Pernicious, 4660 BS's (1= Single BS, 2 = Double BS, etc.)
1: 29 - 0.62%
2: 1113 - 23.88%
3: 2851 - 61.18%
4: 519 - 11.14%
5: 122 - 2.62%
6: 22 - 0.47%
7: 3 - 0.0006%
8: 1 - 0.0002%
Midnight Star, 3884 BS's (1= Single BS, 2 = Double BS, etc.)
1: 13 - 0.33%
2: 933 - 24.02%
3: 2331 - 60.02%
4: 484 - 12.46%
5: 99 - 2.55%
6: 18 - 0.46%
7: 6 - 0.15%
8: 0 - 0%
Rusty Mining Pick, 3818 BS's (1= Single BS, 2 = Double BS, etc.)
1: 16 - 0.42%
2: 947 - 24.80%
3: 2241 - 58.70%
4: 482 - 12.62%
5: 106 - 2.78%
6: 20 - 0.52%
7: 4 - 0.10%
8: 2 - 0.0005%
This data seems to be very consistent. I just can't seem to figure out why the Dagger Pernicious has so many more total backstabs and Massive Strikes than the others.
Any thoughts? If nothing else, it was still an interesting parse session.
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I feel confident with the above offhand calculations. However, below are the results of some 12 hour parses of the Midnight Star and Dagger Pernicious mainhanded, using Frenzied Stabbing for more backstab attempts.
Mainhand
The Dagger Pernicious: 6170 DPS (1994 Pierce, 4128 BS, 48 DirDmg) - 110316 Pierce attempts, 53098 BS attempts, 6213 Flurries, 4052 Massive Strikes
Midnight Star: 6207 DPS (2035 Pierce, 4172 BS, 0 DirDmg) - 121852 Pierce attempts, 53854 BS attempts, 6823 Flurries, 4246 Massive Strikes
The Dagger Pernicious, 18038 BS's (1= Single BS, 2= Double BS, etc.)
1: 91 - 0.50%
2: 4323 - 23.97%
3: 10824 - 60.00%
4: 2258 - 12.52%
5: 423 - 2.35%
6: 95 - 0.53%
7: 20 - 0.11%
8: 4 - 0.0002%
Midnight Star, 18222 BS's (1= Single BS, 2 = Double BS, etc.)
1: 76 - 0.42%
2: 4409 - 24.20%
3: 10832 - 59.44%
4: 2251 - 12.35%
5: 514 - 2.82%
6: 106 - 0.58%
7: 28 - 0.15%
8: 6 - 0.0003%
9: 0 - 0%
10: 1 - 0.00005%