Talk:Bitterblack Sanctum/@comment-32773874-20200126204307/@comment-44893729-20200126210537

Ah, thankfully there's an explanation though, the sanctum is in the byzantine style of architecture, the symbol in the image appears a lot in Byzantine art. It even has it's own name in this context, it's known as the Gammadian Cross or in the byzantine style, Crux Gammata.