Just saw this bit while doing my normal blog reading today. This comes from the Thousand Sons Discord but I don't have the link for it yet.
via admechknight.blogspot.com
https://admechknight.blogspot.com/2020/01/ritual-of-damned-rumor-for-thousand-sons.html
I do not know how reliable this source is, and I took it right out of the Thousand Sons discord.