"The beginning" because it looks like a prequel of a show that does not exist, but that would also need a prequel on its characters, which makes it a bit weird. The priest intro, with the fight against [spoiler]Astaroth[/spoiler] is grandiose. But I'd definitely want to see how, starting from his position as a doctor, he acquired that much power as a priest. Dr Strange ? There's a small defect in the building of story with the kid that comes out of nowhere. It has a hard time fitting with the rest and feels less natural. The [spoiler]monk being the real child's father[/spoiler] is also out of nowhere, with no context, and just feel like drama effect addition than something that has been thought out in the story. Another flaw, but very common on this kind of story, why the hell do the sect people wait this long pretending their leader isn't bonkers and dangerous ? Come on. This could have been stopped way before. Otherwise the whole thing has a nice story, with cool and good looking design, very dynamic fights and badass villains.