Well since I played the rest oft the series or at least SC to Ao no Kiseki most of the time I didn't have to cancel the enemies moves since I played only on easy mode and with Agate in the party starting from Chapter 1 in SC he will kill most non bosses in 1 hit.
Yes last time I played SC I couldn't use Muller or Julia for the last parts of the final dungeon at all and I was playing the PSP only version.
In fact on easy mode only Ao No Kiseki is the hardest current one and that only applies to its final boss fight.
Heck even in this game I never bothered to use Schera at all unless required so I'd rather use pc's that have better S crafts to use over using Heaven's Kiss.
But even at level 80 + Schera's 2nd S Craft though AOE based still sucks.