This article is from the Final-Fantasy and
other Square Soft Games FAQ, by email@example.com (Nick
Zitzmann) with numerous contributions by others.
4.2.11 - Final Fantasy I: What items can I use in battles?
Not many, all the ones you can use are quite rare. Here's a list of
Item Spell Cast
Black Shirt ICE2
Defense Sword RUSE
Heal Helmet HEL2
Heal Staff HEL2
Light Axe HRM2
Mage Staff FIR2
Power Gauntlet SABR
Thor's Gauntlet LIT2
Thor's Hammer LIT2
White Shirt INV2
Wizard Staff CONF
Avoid getting rid of any of the above items at all costs! They are quite
useful if you can find space to use them in.
4.2.12 -Final Fantasy I: What magic should I use to defeat the elemental fiends?
Lich: FIRE, FIR2, FIR3, NUKE, HARM, HRM2, HRM3, HRM4, FADE.
Kary: STUN, SLEP.*
Kraken: LIT, LIT2, LIT3.
Tiamat: RUB, BRAK, BANE, ZAP!, XXXX.**
* = Contrary to popular belief, ICE spells don't work well on Kary.
** = Yes, using fatal spells on Tiamat works (according to Nintendo),
but your chances of succeeding are slim. Your best bet is to take Tiamat
down fighting. Rumor has it that BANE works every time on Tiamat when
you fight her inside the Sky Castle, but I haven't confirmed this.