[That, he knows to be true for sure. Whatever the culture, there's always some aspect related to the sky...]

Ah. That... would be more difficult to determine. I'm sure much of it is probably lost to time, although there may be hints and sources to trace back. I'm no elven expert, but I recall in particular some speculation that Fenrir may well correspond to Fen'Harel, since there isn't much corresponding folklore in Tevinter.