thats not accurate. Yes, sacred will no longer give fortify, but once applied it will still last for 5s
Fortifying sacred ground on your staff means it will go away when you switch to your secondary
It dropped for me today (10/8/23) as a Legendary item with 693 GS with Shirking Abyss as the 3rd perk by Myrkgard Archfeind.
Dropped by Tzi Wang after about two days