The Chronicles of Narnia: Prince Caspian
Still four kids, but with extra large scale battles with hundreds of dead.
Aslan confirms his status as Abrahamic god. He could have avoided hundreds of deaths but nobody prayed to him, so he did not lift a paw and almost let the White Witch return to life. When confronted with this he offers the staple “God works in misterious ways”, also known as “Fuck you, got mine”.