2) Dual Swords (DS)
(Demonization mode)
Devilish dance (Tri + Cir): 33% & 8%(x8) & 40% (10 hits total, 137%)

okie is 137% for full combo. next we move to the total dmg by calculating the raw dmg since element count diferently

a high raw is around 322 [since i don`t have ds nor much info on ds yet just take this ]

okay i assume you bring powertalon ,powercharm and eat food get attack up large everytime

Shield and Swords/Dual Swords:

Attack Up (Small):    +14
Attack Up (Medium):    +21
Attack Up (Large):    +28
Powercharm:            +8
Powertalon:            +12
Power Pill:            +35

so it is 322+28+8+12= 370

so a 137% of 370 = 506.9. mean 507 raw dmg each full devil dance combo. this not mean you dealing 507 to the monster since it vary to each monster after calculating
[ATP x TYPE x CRITICAL x SHARP x HITZONE x DEFENSE x RAGE x VAR]/[CLASS]=Total

but then let left this thing alone first

let move on the gs

          5) Great Sword (GS)

Regular slice (Tri): 48%

Sideways slash (Cir): 36%

Upswing (Tri + Cir): 46%

Level 1 Charge (Hold Tri): 65%

Level 2 Charge (Hold Tri): 80%

Level 3 Charge (Hold Tri): 110%

Unsheathe attack: 48%

okie is 110% for full charged. next we move to the total dmg

a diablo greatsword is 1488 and uca divinde is 1680

but just take 1488 for now

Great Sword/Long Sword:

Attack Up (Small):    +48
Attack Up (Medium):    +72
Attack Up (Large):    +96
Powercharm:            +28
Powertalon:            +43
Power Pill:            +120
Spirit Gauge Effect:  +48

okay assume i bring powertalon ,powercharm and eat food get attack up large everytime

1488+96+28+43 = 1655

110% of 1655 =1820 raw dmg

for instance the time i used to charge lv3 you can deal 2 times of devil dance

370x2 = 740 vs  1655

even you don`t use charge, a Unsheathe attack + upswing which is total 94% and it quick fast. spd around your 1 devil dance combo
94% of 1655 = 1555

370 vs 1555

image atk of gs with skill of Unsheathe critical which give first attack 100% critical that boost dmg by 1.25 which is 25%
and of course to use gs need some skill to handle correctly