Warlikeness, and a just balance between scarcity and abundance seasonally

See it like a metabolism or a broader biological cycle.
The races that go through more celular cycles have gone throuh more deaths and lifes

They have selected, they have strived, and they are now radiating
A cell that went through many celular cycles has already gone through diversification, bottlenecks and natural selection.

Civilizations that never die and reborn. Or that live too long, become rotting and half rotting corpses.
See india

Imagine a god of sky that after conquering the earth mother, decayed in rot.
For he never died. But so forth is no longer alive