I apologize, I should have clarified that, but yes ActRaiser is correct. You can specialize in something, fire or death or knowledge, but you don't have to. I was going to explain this all in the next official post, but I'll do it now.

Your abilities are limited by 3 things. 1st: Worship. More worshipers = more power. 2nd: Creativity. I kinda covered this in the OOC. 3rd: Knowledge/Practice. Before you go shooting fireballs at people, you're going to need to either practice a lot with conjuring fire (and get more power) or find someone to train you. 

But yes, for the time being the focus is on finding a form with which to present yourself to your followers.