He wouldn't even have to use KOR instead he can just omnislash her. Ultimecia is a joke when it comes to the final boss because she is so simple.
no
Yes.
Yes.
Yes.
Yes.
Absolutely, as soon as they begin there ULTIMATE END move ultimecia would be dead.
Totally.
Maxed out, KoTR does 9999*13 or 129987 damage, that is enough to kill ultimecia level 1, and over half of level 2 at the same time. Pair KoTR with wSummon and sure, its enough.
Definetely.
Yes.
Yes.
1 hit from knights of the round will do it