I have an 8 combo but it requires a summon. Hinata 2 star, sai 2 star, Fire main, and kakashi
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sai at 5, main at 4, kakashi at 7, hinata at 2
you need a summon that attackes repulse and causes low float.
mystery = dragon flame
chase = celestial prison
standard = anything that you want, but i use taijutsu attack.