I Think You Dont Use'it Right...
For Exampler Sombody Make Damage To Other Player
100 HP - 50 HP
DAMAGE=50 HP
IF You Multiply This With 1.5 This Will Be DAMAGE (FROM CS) - Multiply Damge (FROM SCRIPT) 50 - 75 = 1 (SCRIPT<0)
If You Want To Multiply DMG With 1.4 Then You Need To Set KungFuMultiplier = 0.4