Out of all the 7th Saga's easy mode patches, I haven't seen a single one actually restore the original Japanese edition's difficulty. You would think that would be the first attempt at making it easier. 
Excuse me, but this patch, in theory, does that:
http://www.romhacking.net/hacks/264/"7th Saga is the localized version of Elnard, the Japanese incarnation of this game which is much, much easier by comparison. This IPS patch restores the monster stats of Elnard to the US 7th Saga and also modifies the mechanics of player leveling such that the player will now gain stats as he or she would in Elnard, making the game’s difficulty level much more reasonable. Additionally, confrontations with the rival apprentices in this game are now properly balanced, an oversight in the localized version."
It even fixes a problem from the original Elnard.
Is this what you asked for, or you are requesting something different and I got it wrong? If that's the case I'm sorry to bother you.
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I have a small question about Final Fantasy III (Famicom/NES).
Is it possible (And how hard could be) to modify the formula for Black Magic Damage to make it equally powerful (Or at least similar) compared to Call/Summon Magic?
Looking at the Damage Formula document that Instructrtpede made:
http://www.gamefaqs.com/nes/563415-final-fantasy-iii/faqs/29389I saw that the B.Magic damage is badly "nerfed" compared to the Summon one pretty bad.
Seeing how Black Magic is your "go to" special attacks for practically the entire game (Normal Summon is not that useful being random, and white is mainly for support) and groups of enemies are always common (Even more in older FF), I always found kind of sad that it was so "weak", even more when you realize that spell damage gets divided by the number of targets (Unless you use spells like Quake or Bio, which are "Full Screen Attacks"), so if you divide weak damage between the number of enemies it becomes kind of useless at some points, pretty dissapointing seeing how is MAGIC, lol.
And even when you get "the better summon command" you do little more than spamming Bahamut. At least using Black Magic gives you some utility spells, or even the Break spell, which is impressively useful even in the last dungeon (Very rare, usually this things get useless really fast).
I can't seem to find that much info about FFIIIJ hacking, most of the times the Snes game with the "same" name takes all the space, and my only experience with hacking is visual changes and little hex modifications (like changing the spells learned in games like 7th Saga; and a few text edits for personal use).
That's why I'm asking here if it could be possible... I know probably no one cares about that game, but I guess I don't lose anything for asking.
I could request it, but that would be a little too selfish for my part, and I don't mind tinkering with the game if I can get some ideas of where I can start (If it's possible at all, of course).
Edit:Typos, typos, typos.