Hey, guys. I did a little test between Blade: Shun and Blade: Jin in The Boyahda Tree. Figured I would post my results here for anyone else who cares to see them.
I went as 99NIN/49DNC vs. level 73-77 EP-- Steelshell crabs. I did 20 of each weapon skill at ~100tp and recorded the full 5/5(Shun) and 3/3(Jin) weapon skill hits that landed.
Notable stats (job/equip):
Blade: Shun- 5/5 Merits
Katana skill- 438
Attack- 554
Accuracy- +51
Strength- 90+21 (111)
Dexterity- 91+38 (129)
Critical Hit Rate- +10% (Iga Ningi +2, 5/5 merits)
Critical Hit Damage- +17% (Iga erimaki, Kamome, Qirmiz tathlum)
Weapons used:
Agility Sekka +3- DMG:48 Delay:201 +10Agility +20Evasion
Kamome- DMG:39 Delay:180 +8Attack +8Accuracy +Cit damage
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Blade: Shun (tp: 13) | Blade: Jin (tp: 11)
1: (xp: 46) Damage: 826 | (xp: 50) Damage: 1,145
2: (xp: 50) Damage: 853 | (xp: 45) Damage: 968
3: (xp: 50) Damage: 865 | (xp: 45) Damage: 842
4: (xp: 45) Damage: 943 | (xp: 48) Damage: 915
5: (xp: 48) Damage: 876 | (xp: 50) Damage: 600
6: (xp: 50) Damage: 850 | (xp: 50) Damage: 583
7: (xp: 50) Damage: 774 | (xp: 48) Damage: 748
8: (xp: 48) Damage: 849 | (xp: 48) Damage: 751
9: (xp: 48) Damage: 854 | (xp: 42) Damage: 755
10: (xp: 48) Damage: 815 | (xp: 42) Damage: 1,078
11: (xp: 45) Damage: 952 | (xp: 45) Damage: 948
12: (xp: 45) Damage: 841 | (xp: 42) Damage: 1,077
13: (xp: 50) Damage: 961 | (xp: 50) Damage: 587
14: (xp: 48) Damage: 922 | (xp: 50) Damage: 1,149
15: (xp: 50) Damage: 803 | (xp: 50) Damage: 952
16: (xp: 50) Damage: 794 | (xp: 50) Damage: 609
17: (xp: 46) Damage: 906 | (xp: 45) Damage: 1,065
18: (xp: 48) Damage: 846 | (xp: 48) Damage: 702
19: (xp: 48) Damage: 1,011 | (xp: 48) Damage: 1,255
20: (xp: 45) Damage: 939 | (xp: 50) Damage: 798
Blade: Shun averaged; 874 damage
Blade: Jin averaged; 876 damage
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Now remember this isn't all in a row. I only wrote down the weapon skills that fully landed its normal amount of hits. I know 20 isn't to great of a number to test, but I just felt like trying out a little test and hopefully this may help anyone.
I also noticed that even though Blade: Shun is 5 hits (2 more then Blade: Jin) it was much more reliable in landing them all. Blade: Jin took a while longer to get 20 full hit weapon skills down as it would miss a hit or two pretty often. I'm not sure if it was just for a low amount of tries and some bad Blade: Jin luck, so ya.
Oh, one last thing to note also. These weapon skills were used while no tp buff abilties from the Steelshell crabs were used.