Characters must have a ninja rank of E D C B A S S+. Ranks are the characters fighting chance in direct combat.
1: Don't do any world changing in the main story without permission.
2: Start your main story character from E then work your way up from there.
3: Mastering lets you use one hand seal with the jutsu type.
4: Specializing requires no hand seals with only one jutsu.
5: Less hand seals make a jutsu faster but weaker.
Read before playing!