So for my WIP I've written up a prologue to give the readers a little extra information on the backstory and overarching conglict. But now I've thought of a second idea for the prologue and can't decide which to use. The first is from the point of view of the story's main villain, and a major villain throughout my planned series. It details his return to the world the story is set in (he's been chilling out in another dimension for 10,000 years.) and also these different dimensions become vitally important to the story later on so I thought it'd be good to debut them early. So this prologue concerns the overarching story. The second takes place from the POV of a mage, who encounters the main anti-hero of my work who is (arguably) the main character. This prologue outlines some of his motives for us (rather than inserting a clumsy exposition scene later.) and starts off his personal character arc. Also this one better sets up the main story of this specific book, but not the whole overarching story. In your opinion, which sounds better?