Archangel Michaël is getting even with his rebellious colleague Lucifer and his followers. This story symbolises how the decay of the church and its clergy was brought to a stand still in the 16th century.
Hovering and helmeted with a silly knot this keeper, holding a pitchfork, looks at archangel Michaël conquering the rebellious angels and condemning them to eternal suffering in hell, by which their once so heavenly appearances decay into terrifying reptile-like monsters.