Information on O’aka XXIII, the traveling merchant extraordinaire, who follows your team around Spira and sells you items when you need them.

Visiting the Sphere Theater in Luca to watch “Movie Spheres,” which feature cutscenes from the game, or to listen to “Music Spheres,” which are soundtracks from throughout the game.

Complete the Chocobo Training side quests either as you pass through the Calm Lands the first time or return later on in the game.

How to obtain the Celestial Mirror, which you can use to create each of the Celestial Weapons.

A list of the Al Bhed passwords and search coordinates for exploring Spira from the airship destination list.

Complete Baaj Temple to obtain Anima, one of the unlockable Aeons.

You can complete this side quest as soon as you reach the Calm Lands, and it is where you obtain the optional Aeon Yojimbo.

Obtain the Celestial Mirror and battle all of Belgemine’s Aeons to receive the Moon Sigil required for Yuna’s Celestial Weapon, Nirvana.

Obtain all three of the optional and secret Aeons in the game (Yojimbo, Anima, and Magus Sisters).

Obtaining the Jecht Spheres and Braska Spheres as you travel through the game to obtain Auron’s Overdrives.

Make sure that you picked up all the Al Bhed Primers scattered throughout Spira. Note that you may not be able to return to certain areas of the game to retrieve some Primers if you missed them.

Complete the Cactuar Village side quest to obtain the Mercury Sigil, one of the pieces of Rikku’s Celestial Weapon, Godhand.

Catching blue butterflies in Macalania Woods to obtain the Saturn Sigil for Kimahri’s Celestial Weapon, Spirit Lance.

Tips and tactics for dodging lightning strikes in the Thunder Plains to obtain the Venus Sigil for Lulu’s Celestial Weapon, Onion Knight.

Information on how to obtain all the Celestial Weapons for each of your characters.

Battle against some of the strongest fiends and bosses in the game.

Battling the superboss, Nemesis, the most difficult “Original” creation fiend available in the Monster Arena.

Traveling through Spira and battling each of the Dark Aeons that appear.

The battle against the strongest superboss in the game.