How does this comic relate to a sacred text?

The Name of Text: The Bible, New Testament, Gospels

The relation: Story plot in comic reflects a plot in a sacred text
Act from a sacred text is in the comic

Main Character: Supergirl

Entry: p. 18 The Spectre explains to Kara Zor-El why she must return to her destiny and die in the Crisis on Infinite Earths. Mentions "A great salvation", referencing the sacrifice of Jesus Christ.

External Links:
https://www.biblegateway.com/quicksearch/?quicksearch=Salvation&version=NIV