Temple was build in the way to create vibrational frequency alteration. Result was high dimensional environment where angels was able to manifest in front of high priest among other things like pristine and precise telepathic communications with Heavenly beings.
Verses describing spiritual and physical preparation concerning presence in chambers of Solomon temple. High priest body and spirit required purifying before contacting an angels within high dimensional environment.

Black holes used as portals you say? Interesting. Temple was full of wonders.
Babylonian whores make sure nothing is left and pushed publicly till this day ways to get as low spiritually so demons can manifest.

Reckoning 4it is at hand.