Ammit to Cerberus

Nothing could prepare us for when Ammit became Cerberus
from crocodile mane came forth 3 maws to rip and tear us
what made the one to rule the Nile transforms to fit the Styx
the pris’ners march away and leave old gods to learn new tricks
oh Egypt, red with ruin, who thought one could overpower’er
but nations crave the spoils of war and hell needs its devourer