YOU SAID:

I wanna be the very best that no one ever was, to catch them is the test, to train them is the cause?

INTO JAPANESE

非常に最高たい原因は、今までされたもの、それらをキャッチする、それらを訓練するためのテストですか?

BACK INTO ENGLISH

The very best wants to test what was until now the cause is to catch them and train them to do?