Fate, Destiny or Doom?

... my dreams last night were epic on a scale I haven't experienced in some time. This may or may not be related to my complete exhaustion on multiple levels. Some notes for future gaming reference.

- A hero bearing a spear tipped with light appearing at various times throughout history,
- actually different members of a secret society founded and led by members of a race of immortals (do not age, susceptible to violence variety), dedicated to ensuring than an ancient fortress literally thrown/torn down after a murder of passion followed by a bloody schism never rises again to trigger the fulfillment of a prophecy.
- The world has changed so much in the centuries since though that some of the senior members are starting to wonder if it actually matters any more, or if they were being too literal and there is more to be gained by letting the younger races continue their growth on the site.
- There are a number of such weapons but only one more will be made, the person it is made for must then kill the one who can make them before and demon possessing them and invoked in the process can escape (per prophecy)
- The "king" of the immortals and father of the murderer prevented from taking his revenge on the (legitimate) killer of his son by law and the other nobles, secretly plotting his revenge on basically the entire planet from the immortals' home city in the sky/spaceship, which has been basically isolated since the body was returned.
- immortals included Batman, Wonder Woman and possibly Dr Strange analogs as well as other characters I do not recognise a source for.
- There was a self propelled stone battle wagon occupied/controlled by the soul of an immortal woman who had stolen the secrets to power it from the city, kind of in a
- "Of those who travelled north only those who had previously travelled south survived" or "the key to surviving the north lies in the south."