The song was written by guitarists and Kerry King .
"Raining Blood" is a definitive track by the American thrash metal band , serving as the finale to their 1986 landmark album, Reign in Blood . Known for its sinister atmosphere and iconic opening riff, it is widely regarded as one of the most influential songs in metal history. Composition and Meaning Slayer - Raining Blood
The lyrics describe a banished soul in Purgatory seeking vengeance by overthrowing Heaven. The "raining blood" imagery refers to the blood of angels falling upon the protagonist as he regains his power. The song was written by guitarists and Kerry King