In the restauraunt there is a drunk marlboro in the top left corner,keep on using thunder books(i think 7 times)on it until it turns back into Ramuh.
To get the Titan feather talk to the statue builder and answer about the earthy smell. Come back later & give him a quake book. Come back after Cid's Tower and Titan will come out of the statue and give you a feather.
Successfully complete the game and allow the credits to finish. Then, another playable part of the game will begin. Complete the bonus section to view another ending.
This requires digging claws. If your stuck in a maze and Death keeps getting you, if the walls are rock just dig through them!
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