Dragon Age 5 [post-credit scene spoilers]

The post credit scene isn't a bunch of illuminati. It's Executors/Those Across (or Beyond it seems in DAVe) the Sea. They kidnapped Inquisition members in DAI war table missions. Same symbol.

In DAVe:
- First codex I found was in Minrathous, under the city, old entry from pre-Chantry Tevinter. Old Gods Priests arguing over what to build. One of them wanted to build defenses against Those Beyond the Sea.

- 2nd codex, an auto added one after a main quest in act 2. Andruil built defenses against them (using people as batteries, Solas freed them saying she was using them to power herself up).

- Then there is the Qunari. Taash's personal quest, the tablet. It talks about the Qunari actually running away from the Devouring Storm and the Qunari being created to fight them off. And only Dragon Fire can show the unseen.

- And Anaris in Bellara's questline also talks about the Storm when dying. Bellara and Taash have some banter about it (I destroyed the archive so I don't know if we get more info the other way). There might be banters with other companions about that, but I wanted to finish the game, not walk around for hours trying to trigger stuff.

-Also someone turned the Owl statues in Arlathan into death traps. I don't think I got to the end of that, but I suspect it's related since the first Owl message was about seeing the unseen.

- Conspiracy board in Minrathous:




Note: "the Sea" might not be a reference to actual water. Since Emmirch calls the Fade the sea (of dreams) and I believe the term was used in previous games too.

Some other stuff:
- I have theorized since DA2 there was something powerful Flemeth was hidding from.
- in DAO, Flemeth says that the shadow in men heart are more dangerous than any blight. That was pointing to Loghain, Loghain who was getting his "advices" from Howe. 
- In DA2, there is some hints or direct mention that Bertrand got the tip to find the Thaig from some shadowy figure (I always throught it was Flemeth or Solas, but looks like it's not). Sandal also as a primpt where he talks about a shadowy figure laughing and him being scared.
- In DAVe, "shadow in a men heart" are said by the Mayor of D'Meta Crossing (same voice actor as Loghain too, I don't think that's a coincidence). Especially with the cutscene that comes after.
- In the Descent, there is some codex about magical wards/barriers being weakened by a sigil written in the Fade. It's not clear the wards were for what exactly. But something nefarious at work down there.
- In DAVe, turns out the Mourn Watchers actually watch the Fade and protect the mortal realms from whatever is in there (and they didn't mean just demons).
- In DAVe. Hossberg Wetlands Warden storyline, Antoine hear something else in the Bligth commanding it, something that isn't the Elgy/Ghili/Archdemons. It created a Blight erruption...that looks shaped like the top of the Titan heart in Harding's little face-to-face.

Looks like the Executors have manipulated the board to get all the Evanuris disposed off over the last 1300 years, which they probably considered the only real threat around. They might also have some command on the Blight (or the Titans control it more than the Elgar'nan/Ghilan'nain think).

There is also a lots of mention of group forgetting things. Dalish's writings was altered to make them forget stuff. Same for the Qunaris and Tevinter. The dialogue when that gets brought up is always "politics". 

And since our Lich Lords are pure hearted soul...they need a counterparts somewhere.

I thought that the game would spell the end of the Blight and the Evanuris, but I don't think so after finishing it. Well the Evanuris trying to take over the world and Solas plotline is done, but I don't think they are entire gone. Not just Mythal. In Solas-Elgy words battle in Rook's head, all the Evanuris are mentioned as gone except for Falon'din and Andruil (unless I missed some lines). And there is a codex where we learn Ghilan'nain isn't mourning Andruil despite Elgy telling her she should...Ghilan just refers to her as being loss to her (and then try to hide how annoyed she is by the Venatori killing a Halla).

I didn't find all the codices and I think lots of stuff is hidden in the mementos...and there are 182 of them.

Whether Dorian or Maevaris are ruling Tevinter could be a big one.