That's useless. You need millions of Crystal Points to maximize your characters and later one slot needs 30000-60000 and even 120000 Crystal Points. And you get the last Crystarium Level when you have beaten the final boss. Later you will get the Growth Egg (Final Fantasy VI) which doubles the CP all your characters get after a battle. Then you only have to use the training spot I have posted on youtube (6600 CP in 10-15 seconds, later less than 10 seconds and 13200 CP with the Growth Egg) and you can get your 7 Crystarium trophies earlier but it still takes you 100 years.