10 Buffy The Vampire Slayer And Angel Plots That Were Never Resolved
6. The Oracles
The Oracles are depicted as beings who are extremely powerful, controlling the flow of time and serve as Angel's connection to the Powers That Be. It is Doyle who first introduces them, even if they are not entirely welcoming on the first visit.
They appear three times in the first season. First, they give Angel back a day to ensure that he avoids an attack that makes him human (thus removing his ability as a champion.) Second, they refuse point blank to bring Doyle back after his heroic death.
Their third appearance sees their physical bodies destroyed by Vocah - a demon summoned by Wolfram & Hart. Angel does speak to one of them, even after they have died and then they are gone.
These are beings who can control the passage of time so, couldn't they have simply skipped back and avoided their own deaths? Particularly if they are able to manifest even after death? They were a very interesting addition to Angel's first season, bringing both a silliness and weight to his storyline.