I have no faith or religion, so my faith, voodoo, and shaman magic would be super weak. I would also rather rely on myself instead of the whims of higher beings

Doctor Voodoo doesn't have to rely on the help of Higher Beings as powerful as he is. But if he's put in a situation where his own strength isn't enough, he will call upon them. As for Moondragon, let's just say it takes a lot of years of training to reach both tranquility and mental stability with oneself in order to reach her level of Telepathy.

Nah, the post implies I'll get those powers from the start and only those powers mentioned. no training or practice needed, expect to control them.