could the ravens be the ravens at the tower of London, legend says england will fall if they ever leave?
The Ravens of the Tower of London are a group of at least six captive ravens which live at the Tower of London. Their presence is traditionally believed to protect the Crown and the tower; a superstition holds that "if the Tower of London ravens are lost or fly away, the Crown will fall and Britain with it".
https://www.hrp.org.uk/tower-of-london/explore/the-ravens/#gs.ymJ4hFw
Seven Hills is Rome,
The ring and the rod?
The Rod and ring symbol is a symbol that is depicted on Mesopotamian stelas, cylinder seals and reliefs. It is held by a god or goddess and in most cases is being offered to a king who is standing, often making a sacrifice, or otherwise showing respect.
https://en.wikipedia.org/wiki/Rod-and-ring_symbol