are only spirituel and "supernatural" beings are demons,angels,ghosts and thoughtforms ? or there is more like fairies or something ?

Is there any limit for how much i can get stronger, how many abilities i can have or maybe even create ? sorry if my english is bad. i wanna know capabilities of the soul. is our and our Gods potential is infinite or not? is gods have room to grow like we are or not? again sorry for my english...