Herein lies the collected wisdom of Neall Raemonn Price, who does not appear to have a nickname. He wrote a bunch of Storytelling sections. You did not read them, and this is why you weep.
Becoming the Sun How do you inherit the panoply of an Incarna?
Revealing the Adamant Caste What happens if you do it?
That Sweet Solar Feeling What does it feel like to be a Solar?
Primordial Mental Limitations They can act out-of-character… it's just hard