Quote Originally Posted by Ayuhra View Post
The version of the story I heard was it was localized to I-IV to be "less confusing" which is kinda funny, considering it usually leads to MORE confusion.
FFXI had it bang on with spell naming for those cases.

Single target spells: Fire, Fire II, Fire III, etc
AoE spells: Firaga, Firaga II, Firaga III

Simple. Easy to understand.