From the discounted Black ISO market crystal

Jack_OHara

I know he has some potential, but how do you use him to get the most out of him? Any advice helps.

DrBruceWayne

From what I have learned playing the 4*, try to get the Passive Precision (which you get by switching Stances 7 times) when you have the Demon Stance (for Bleeding opponents) and save for your SP3.