Quote
And what is a "direct ministration of the Spirit of God"?

The closest way I can describe it is by referring to the moment you learned that you had full assurance of salvation. It was something that prior to that time was unknown, it was revelation by the Spirit of God just to you, and it was not given to anyone else about you, making it a personal, private revelation.

Likewise with much answered prayer, oftentimes the one who prayed is the only one who learns of the answer (personal, private revelation), and has a deeper communion with God through Christ on that account.