Kakki:ichi's store tp is too weak and needs a boost. Make it vary with ninjutsu skill atleast being +10 store tp with lowest value and +50 store tp at the highest value . Even tho ninja has daken for tp, surikens have low delay so thats low tp gain, its base tp at high levels is still majorly lowered from dual wield taking most of the delay cap.

Add Critical attack damage trait to ninja too (Ninja's are the silent assassin, they hit the critical points of their enemy's for major damage )