Refill Blood:
During normal play press Up, Right, Square, Circle, Up, Down, Right, Left.

Refill Magic:
During normal play press Right, Right, Square, Circle, Up, Down, Right, Left.

Video Scenes:
during the game, go to the map & press Left, Right, Square, Circle, Up, Down, Right, Left. Then push Select & go into the dark diary, you will be able to see all the video scenes throughout the rest of the game.

Get 99 Items From A Spirit Forge:
Instead of going into a spirit forge in person, take over an enemy with the mind control or spirit rack spells and send them in your place. Their life will be forfeit but you will gain 99 items.