Teras Kasi Archive

ok for now im a carbineer (4-4-3-3) doc ( 0-3-4-0) and cm (0-0-0-3) , recently ive seen that my "futur" 4 cm skill will be more usefull that all my carbine skill so im thinking to drop carbineer to get tka... is this a good built tka/doc/cm? buff to save my ass, cm to poison them and tka to wipe there ass at close range..