Speaking of fantasy, is having a topic named gospel in the stars.I find your interpretation to be simply out of this world. Maybe on Star Trek Klingons and humans can have children but that is all fantasy and in God's creation spirit beings cannot mate with human women. They are incompatible, and besides, all the angels that sinned are locked up by God in chains of darkness awaiting their judgment.
Is that not similar to your mentioning of star trek, to boldly go where no man has ever gone before.
The false prophet teachers are bold to go where no man has ever gone before now. ( into fantasy world about another gospel.)
2 Corinthians 11:4 For if he that cometh preacheth another Jesus, whom we have not preached, or if ye receive another spirit, which ye have not received, or another gospel, which ye have not accepted, ye might well bear with him.
2 Corinthians 11:13 For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
14 And no marvel; for Satan himself is transformed into an angel of light.
15 Therefore it is no great thing if his ministers also be transformed as the ministers of righteousness; whose end shall be according to their works.
Jude 1:12 These are spots in your feasts of charity, when they feast with you, feeding themselves without fear: clouds they are without water, carried about of winds; trees whose fruit withereth, without fruit, twice dead, plucked up by the roots;