The companions will still talk about the dream visitor giving them powers.
Omeluum will still say his ring blocks the tadpole, but now it's just a ring that gives advantage against charms.
If we're including the dark urge, then it's weird when generic dialogue options allow the dark urge to share memories. An example of this is when the dark urge is drinking wine with Shadowheart and sharing memories of Baldur's Gate, which ironically leads her into talking about how she doesn't have memories.
