Legend of Legaia

Defeat Xain:
When in the town where you find Hari, find the fire area and keep fighting the Seru. When you have enough money, go buy and sell items over and over until you get enough points to blow him away (point card needed).

Research center password:
The password to Dr. Usha's research center is X, X, Triangle, Circle, Square.

Extra FMV sequence:
Allow the game to remain at the title screen for approximately thirty seconds.

Getting the Legendary Rod:
After reviving the Genesis Trees in Buma, head back to Dr. Usha's Research Center. You can find the Legendary Rod beside the bed with the stuffed animal.