How to achieveEdit
Frieza had to absorb some of Goku's godly ki and learn how to manipulate it. Doing this will require Frieza to train extensively while concentrating on all of the energy in his body. Doing this he can bring out the godly ki inside of him.
Usage and PowerEdit
This form burns so much regular ki in a single second that Frieza can only use his godly ki. To maintain this form Frieza has to get rid of all his regular energy to make room for his godly ki. The power increase is over 300,000,456,000,000,000x the users base form.