Blade Force ] Don't Stack Blade Aura
So learn Blade force 1st and at later rank u can dele it and learn Blade aura..
Or
Dun Learn Blade Force and keep point till Blade aura. it up to u .. But they Dun stack~
Iron Skin STACK With Aura Barrier
i Dun knw why got stack but i try it woot it really stack that u can learn..
and Def is high if u stack it and 200 hp +