There is a way for Cyan to attack continuously until all enemies are dead:

Step 1: Kill Cyan in battle.

Step 2: Revive him again (Best is you equip the relic Knight Code Relic on someone else to protect him).

Step 3: Have Cyan use his Level 2 Bushido, Sky.

Step 4: Quickly cast Imp on Cyan, or he might attack with Sky even there's no enemy attacking him! (Sky is used and it is wasted, so it is recommended that the person which cast the Imp is directly right after Cyan's turn on using Sky).

Step 5: Wait for a short while, and get ready to pull your hair in surprise as Cyan strikes the opponents,until all is dead.

How did it happen? Well, as you kill and revive Cyan, the game is actually thinking that the enemies is attacking Cyan non-stop by that time, so Cyan automatically use Sky right after you use it, that's why the casting of Imp's timing must be perfect.

Secondly,as you cast Imp, it made Cyan use Sky, yes, but this time, the Imp spell had made the game move, Sky, a bit jumbled up. Why Cyan attack continuosly is that Cyan is actually countering his own attacks!

To attack eight times in one turn, do the following. Equip a character with the Genji Glove and the Master Scroll relics, and then equip weapons in both of their hands. This will allow that character to attack eight times in a single turn! What’s more, if you cast the Quick spell on that character, they will be able to attack a staggering sixteen times in a turn!

To have Gilgamish as an Esper in the World of Ruin, accumulate 500,000 gil, go to the Jidoor auction. The auctioneer will display a sword called Excalipoor and you must keep bidding until 500,000 gil (it will take a few or many more revisits until the auctioneer actually display the item for bid).

After buying the weapon go to Dragon's Neck Coliseum, located north from Kohlingen. Go straight to the guy who asks if you care to fight in the coliseum, in which obviously you should say yes. He will asks what weapon you would bet on and that's where the Excalipoor comes in. Bet the weapon, choose your fighter and your first opponent is an Onion Mage.

After winning the match, a mysterious character threatens to take away the item. That is Gilgamish. The mid 40s is a good level to muscle through. Have Sabin in your party to throw in the Phantom/Bum Rush followed by Gogo's mimic to duplicate Sabin's attack.

Defeat Gilgamish, you will rewarded a relic item called Merit award, an item which lets the wearer equip any weapons and armors, and the esper: Gilgamish. The spells to learn from Gilgamish are Quick and Valor.

After reaching the World of Ruin, you will first play as Celes alone. You will, from there, begin reassembling your vast party. However, if you have the patience, when it's still just Celes in your party, of working her up to level 99, then all of your characters will also be level 99 when you're reassembling your party. It's worth the effort if you want to have a ridiculously powerful party in the World of Ruin.

This is obvious to many gamers, but some don’t realize this. To cast spells on multiple members of your party, or multiple members of the enemy party, simply hit the R or L buttons to toggle between single-and-multiple targets.

• Gilgamesh - Head to the Jidoor Auction House and put down 500,000GP for the Excalipoor. From there, head to the Coliseum and put it up as your wager during a battle. You'll fight an Onion Soldier when you do. Defeat him and Gilgamesh is yours.
• Leviathan - Go to South Figaro and speak to the man near the Chocobo Stables. He'll talk to you about a huge shadow he saw on the high seas will sailing. With that information, head to Nikeah and board a boat there. The ship will stop, and after a short cutscene, you can fight and subdue Leviathan
• Giant Cactaur - Head to Miranda and talk to the person near some crates on the west side of town. He'll tell you he was attacked by a huge Cactaur in the nearby desert. Head outside of town thereafter and seek out a small patch of desert. Run around there, killing regular Cactaurs. Eventually, the Giant Cactaur will show himself. Defeat him to use his Esper power.

Whenever Shadow is in your active party and you stay at an Inn or sleep in any bed (such as in the cabin near South Figaro), you have a small, random chance of acquiring one of Shadow's dream sequences, which will explain some of his back story. There are several of these random occurrences, and may not happen even once on your playthrough. Then again, you could see each dream sequence in one playthrough. It's all a matter of how many times you happen to stay at an inn with Shadow in your party. The more you do, the higher your chances are of seeing a dream sequence.

If you're using Locke on the Floating Continent, you can steal from enemies you encounter call Black Dragons. Usually, when you steal from them you'll only receive a Potion, but once in a while, the always-useful Genji Gloves can be stolen. Of course, your time is limited on the Floating Continent, so be careful!