RemanCyrodiil_I wrote: »We know that the temple on Dragonhold was originally built by Kalgrontiid's Khajiit followers during the Merethic era when he made his first attempt at godhood.
Presumably this refers to the New Moon Cult adopting their prophecy about Kalgrontiid's ascension to become the 'Dark Aeon' that was detailed by the tapestries we find there.