Crisis Core: Final Fantasy VII Easter eggs

Hojo's random battling
This is to find when you are with Professor Hojo a little while after meeting Aerith during the incident with Genesis. Normally you can go on with the game by talking to Professor Hojo, but instead you...

1) Will notice two machines, one to the left of the room, and one to the right.

2) Examine the one on the RIGHT, and if you decide to touch it, you can do a random battle against a few monsters with different materia to those that you have equipped.

3) Finish the conversation with Hojo that takes place after the battle, don't worry, his taunts of your wage decrease won't effect you.