If I recall correctly there is at least one DB quest which disables the sacrament quests till finished or dropped. It may be because the quest giver for the sacrament is included in the quest.
Runs| Orc Nightblade • Chim-el Adabal| Dunmer Templar • M'air the Honest| Khajiit Templar Oddity| Altmer Sorceror • Drizlo| Orc DragonKnight • Lady Ra Gada| Redguard Sorceror Taste-of-Hist-Sap| Argonian Nightblade • War'den Peace| Khajiit Warden • Little Warden Annie Altmer Warden Ports with Blood| Breton Templar • Dirty-Old-Man| Dunmer DragonKnight • Eyes-of-the-Sun| Argonian DragonKnight Bleak Mystique| Nord Warden • Polychronopolous| Imperial Sorceror • Bullcrit| Khajiit Nightblade PC NA CP 1250+ and still a noob At Writs End - A place to complete master writs
You need to do one of the main quests first. Think it's the 3rd one that the woman gives you. Rank is irrelevant. It's the after you're given the litany of blood is given to you.
PC Master Race
1001CP
8 Flawless Toons, all Classes.
Master Angler
Dro-M'artha Destroyer (at last)
Tamriel Hero
Grand Overlord
Every Skyshard
Down With BOP!