How to chain my nps

I lets just say I have a okita,dantes, and scathach and lets just say I maxed their skills,In the rashomon When fighting Ibaraki how should i chain their np? Should I go dantes first then okita for the double def down then go scathach for damage or should i put scathach's primodial rune on okita then go dantes-scahach-okita(with two quick buffs)np chain?what are your recommendations?