[@The 4 Winds] I'll be brief and answer your every question.

1:no. Read the manga or watch the anime. At least episode 1.

2:totally

3:yes, unless blessing

4:the whole world, but thats THE SHIT witch AKA god 2.0

So no, you cannot simply make an OP character with no knowledge of the RP universe. You should at LEAST read up the first OOC post.