The original Benben bird myth had it's core at Hieraconpolis, right?

They had a pillar with a golden pyramidion at the top to reflect the sunrise.

iirc the benben bird that Ra-Atun became alighted on the stone and gave the cry that begat everything.

from [www.egyptsites.co.uk]
(Copyrighted Su Bayfield)

>"Only a few fragments of reliefs and columns were found in the debris, but Jequier also
> discovered pieces of a black granite pyramidion covered in hieroglyphs, which has now been
> restored. The name inscribed on the pyramidion was that of a king, Userkare, which may have
> been Khendjer's throne name."

Jammer