Difference betweenold and new imperialis

The Old Imperium and the New Imperium are two distinct eras in the Warhammer 40,000 universe, a science fantasy setting created by Games Workshop. Here's a brief overview of the differences between the two:

Old Imperium (30,000 - 10,000 BCE):

New Imperium (10,000 BCE - present):

Some key differences between the Old and New Imperium include:

Overall, the Old Imperium represents a golden age of human civilization, while the New Imperium represents a dark and grim era of decline and struggle.