Knight of Cygnus: Soul Master

For your first job build, lvl 1 sprite at lvl 10 is unnecessary. you really dont need it.

 Just a suggestion for tweaking your second job build

]For your 2nd job skill build, I wouldn't suggest getting Final Attack before Soul Blade. Soul Blade is going to be your key attack for a long time, so I suggest you get it early on. Mastery you really dont need until after you get Soul Blade, and Soul Runner, since its really good early on, should be maxed early on. You don't really need a lot of booster, 11 booster is enough, and Rage and FA are the best to max indefinitely. Lvl 19 mastery is good enough for a while, so you don't need lvl 20 mastery until you finish up with second job. Same with rage, lvl 19 is enough for a while. Soul Runner should definitely go before Soul Blade though, because you can easily live with slash blast for a while, and it isnt really useful until you start training elsewhere.

[SPOILER=Here is the build I'm using right now for my Soul Master in KMS:]Level 30: 1 Soul Blade (1)
Level 31: +3 Soul Runner (3)
Level 32: +3 Soul Runner (6)
Level 33: +3 Soul Runner (9)
Level 34: +1 Soul Runner (Maxed at 10), +2 Mastery (2)
Level 35: +3 Mastery (5)
Level 36: +3 Booster (3)
Level 37: +3 Booster (6)
Level 38: +3 Soul Blade (4)
Level 39: +3 Soul Blade (7)
Level 40: +3 Soul Blade (10)
Level 41: +3 Soul Blade (13)
Level 42: +3 Soul Blade (16)
Level 43: +3 Soul Blade (19)
Level 44: +2 Soul Blade (leave it at 21 for now[Hits 5]), +1 Mastery (6)
Level 45: +3 Mastery (9)
Level 46: +3 Mastery (12)
Level 47: +3 Mastery (15)
Level 48: +3 Mastery (18)
Level 49: +1 Mastery (level 19 for 60% mastery), +2 Final Attack (2)
Level 50: +3 Soul Blade (24)
Level 51: +3 Soul Blade (27)
Level 52: +3 Soul Blade (Maxed at 30)
Level 53: +3 Final Attack (5)
Level 54: +3 Rage (3)
Level 55: +3 Rage (6)
Level 56: +3 Rage (9)
Level 57: +3 Rage (12)
Level 58: +3 Rage (15)
Level 59: +3 Rage (18)
Level 60: +1 Rage (19 for +10 weapon attack) +2 Final Attack (8)
Level 61: +3 Final Attack (11)
Level 62: +3 Final Attack (14)
Level 63: +3 Final Attack (17)
Level 64: +3 Final Attack (20)
Level 65: +3 Final Attack (23)
Level 66: +3 Final Attack (26)
Level 67: +3 Final Attack (29)
Level 68: +1 Final Attack (Maxed at 30) +1 Booster (7)
Level 69: +3 Booster (10)
Level 70: +1 Rage (Maxed at 20), +1 Booster(Caped at 11) +1 Mastery(Maxed at 20)

This build has proven to be one of the best builds made so far (credits go to Pyro) But you dont need to use this build, I just advise tweaking some aspects.
Then, for your third job build, I would say its a pretty good build. Soul Driver is definitely a great attack, but Brandish beats it in a few aspects, but its still a handy skill to have at your disposal. I don't think you need to put Panic in there, for Soul Driver and Brandish beat it out.
Oh, and, like the above poster, you may need to tweak your third job build, seeing as Advanced Combo Attack and Brandish do max at lvl 20. In place of those SP, i suggest mp recovery. which would leave you at Max everything but lvl 1 Panic.