That's not the problem Galaika. Read
here to find the formulae for ws dmg and burst dmg.
Here is an excerpt of that thread courtesy of imac:
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Magic WS Damage Calculation:
WSC : Secondary attribute modifier
fINT : difference between your INT and target’s INT (caps at 24)
fTP : Multiplier (Please see chart below)
MDIF : (your MATK/target’s MDEF)
ELM : Elemental influence... i.e. is target weak or strong to the element?
Damage = ((WSC * fTP) + fINT/2 + 8 ) * MDIF * ELM
Magic Chart : fTP multiplier
Burning Blade 1.00 2.00 2.50 Fire STR_20%, INT_20%
Red Lotus Blade 1.00 2.375 3.00 Fire STR_30%, INT_20%
Frostbite 1.00 2.00 2.50 Ice STR_20%, INT_20%
Freezebite 1.00 1.50 3.00 Ice STR_30%, INT_20%
Gust Slash 1.00 2.00 2.50 Wind DEX, INT
Cyclone 1.00 2.50 3.00 Wind DEX, INT
Rock Crusher 1.00 2.00 2.50 Earth INT
Earth Crusher 1.00 2.25 3.50 Earth STR, INT
Thunder Thrust 1.50 2.00 2.50 Thunder INT
Raiden Thrust 1.00 2.00 3.00 Thunder STR, INT
Shining Blade 1.00 2.00 2.50 Light MND
Seraph Blade 1.00 2.50 3.00 Light STR, MND
Shining Strike .875 1.75 2.50 Light MND
Seraph Strike .875 2.00 3.00 Light STR, MND
Dark Harvest 1.00 2.00 2.50 Darkness INT
Shadow of Death 1.00 2.50 3.00 Darkness STR, INT
Starburst .875 1.625 2.00 Light/Dark MND or INT
Sunburst .875 2.00 3.125 Light/Dark MND or INT
Blade: Teki 1.00 1.00 1.00 Water ???_30%
Blade: To 1.00 1.00 1.00 Ice ???_30%
Blade: Chi ??? ??? ??? Earth ???_??% 2hits
Blade: Ei ??? ??? ??? Darkness ???_??%
Tachi: Goten 1.00 ??? ??? Thunder STR_30%
Tachi: Kagero 1.00 ??? ??? Fire STR_50%
Tachi: Jinpu 1.00 ??? ??? Wind STR_30% 2hits
Tachi: Koki 1.00 ??? ??? Light STR_??%