Here is my cuss burst. It's not working. I tried all the day but I can't find out what's wrong.

My characters :
FockerVN is Fire (need to level up)
yeuem is Fire Wit.
belongtou is Fire Killer
S2pandaS2 is Fire Killer

Turn 1 :

FockerVN Fiery Attack to Dairy Cattle (SUCCESS)
yeuem Cuss to Senior Beetle(M) (SUCCESS)
belongtou Fiery Attack to Dairy Cattle (SUCCESS)
S2pandaS2 Fiery Attack to Dairy Cattle (SUCCESS)
---
Senior Beetle(M) Horn Rising to Dairy Cattle (HP -24)
Senior Beetle(M) Monster Attack to Dairy Cattle (HP -4)

Turn 2 :

FockerVN Poison Spell to Senior Beetle(M) (Miss)
yeuem Hot Fire Attack to yeuem (SUCCESS)
belongtou Hot Fire Attack to belongtou (SUCCESS)
S2pandaS2 Hot Fire Attack to S2pandaS2 (SUCCESS)
---
Senior Beetle(M) Horn Rising to FockerVN (Miss)
Senior Beetle(M) Horn Rising to Dairy Cattle (HP -24)

Turn 3 :

FockerVN Mess Spell to Senior Beetle(M) (Miss)
---combo :
yeuem Fire Combo Beating to Senior Beetle(M) (HP -17771)
belongtou Fervidity to Senior Beetle(M) (HP -22001)
S2pandaS2 Fervidity to Senior Beetle(M) (HP -19274)
Dairy Cattle Back Kick to Senior Beetle(M) (HP -383)
Dairy Cattle Back Kick to Senior Beetle(M) (HP -392)
Dairy Cattle Back Kick to Senior Beetle(M) (HP -284)
Dairy Cattle Back Kick to Senior Beetle(M) (HP -372)
---
Senior Beetle(M) Horn Rising to Dairy Cattle (HP -63)

Turn 4 :

---combo :
yeuem Attack to Senior Beetle(M) (HP -3129)
belongtou Attack to Senior Beetle(M) (HP -11295)
S2pandaS2 Attack to Senior Beetle(M) (HP -9474)

Finally,
FockerVN get EXP +3031
Dairy Cattle get EXP +29

Please help me >_<

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Total Battle : 6
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