Ultimate Diatium Energy Cell 
Expert Fencing Emitter 
Pontite Lens 
  
Pontite 
Barab Ore Ingot 
  
S: 19-20,x2, D: 20-20,x2 
Dam: +10-20 Energy, +2-12 Fire, +1-10 Cold 
Atk: +1 
Def: +2 
BBD: -2 
Charisma: +2 
  
(Energy;  Short: 12-36, Single: 12-40, Double: 12-44) 
(Energy & Fire;  Short: 14-48, Single: 14-52, Double: 14-56) 
(Energy & Fire & Cold;  Short: 15-58, Single: 15-62, Double: 15-66) 
  
6 hits per round with Juyo/Master Flurry/Master Speed with double blades is 90-396 damage per round.  Strength modifiers and various feats would more than likely push this to 100-400++. 
  
 
  
  
  
You might be able to use the highest level of your character crystal and gain a better damage bonus from the stats, but i'm too lazy to calculate that. ^^;;