Black Mage can be pretty perceptive at times. He was the only one to notice when Thief muttered to himself in Pravoka, and he's the only one who could tell that Not Ackbar was going to rip them off. Too bad nobody believes him.

Fighter probably does a roll with any die and randomly gets a 100. It's the only explanation of how the hell he randomly is smarter than everyone.

BM tends to notice things much more than the other warriors do. Here's what I think his stats are:

Strength: 10 (His stabbin' knives work on everybody but Fighter)
Constitution: 1 (I don't need to explain this one)
Intelligence: 20 (He seems to be able to cast lot's of spells, it's just the Hadoken that he can only cast once-per-day)
Wisdom: 15 (Explained above)
Charisma: 1 (Also does not need to be explained)

Here's Fighters:

Strength: 20
Constitution: 20
Intelligence: 1
Wisdom: 18 (This explains his high Lore skill)
Charisma: 15 (Everybody loves Fighter, even White Mage was attracted to him)

And no, these values are not D&D friendly. At all.

What about Dex? Also I think he has a higher int.

Black Mage:

STR - 10
DEX - 17 (Noticed how fast he can stab in a stabbity fury?)
CON - 10
INT - 21
WIS - 14
CHA - 7

Fighter:

STR - 20
DEX - 16
CON - 19
INT - 9
WIS - 11
CHA - 14

I'd say more like

Black Mage
WIS - 6 (he can be sometimes intelligent but not that wise)
CHA - 1 (the mere sight of his face cause madness)

Fighter:
INT - 1 (RM said that he has INT so low he drains it) or something like 30 (so high that often seems to be low)

Black Mage:

STR - 12 (You do NOT stab formless ones back into the depths without some decent strength)
DEX - 17
CON - 2
INT - 21
WIS - 7
CHA - 4

Fighter:

STR - 27 (Fighting a Volcano Goddess on even ground? Yeah)
DEX - 30 (Honestly. The dude can use sword chucks without killing himself.)
CON - 19
INT - ????? (The Void)
WIS - 11
CHA - 20 (EVERYONE loves him. 'Cept for BM)

Red Mage:

STR: 15
DEX: 20
CON: 9
INT: 28
WIS: 1
CHA: 4

Thief:

STR: 16
DEX: 30
CON: 8
INT: 17
WIS: 18/8 (18 for normal events, 8 concerning the Elves)
CHA: 20

One thing I argue for Fighter's intellegence is that he was the only one who understood the concept of "sacrifice". He understood it in kind of a stupid way, but he was the only one to get it.

Therefore, it is my theory that although Fighter is technically the dumbest, he has the least personalities flaws getting in the way of his intellegence, so his practical intellegence (The amount he can actually use) is at times higher than the rest of the Light Warriors.

You might care to notice that, in the next episode, he was able to shake off a ten thousand foot drop.

Heh, that works for me.

Thief got out of that encounter with all of RM's and Akbar's money, so I think Thief decisively wins there.

I think BM's "spell components" act as a negative Cha modifier, so a Nymph Cloak +4 would likely bring his Cha up to zero.