The experience David R Hawkins has described at:
https://www.healyourlife.com/the-divine-snowbank strikes me as being similar to what you decribe.
You may get some ideas/clues about what to do with this by googling his name and and checking out the body of his work and what's been said about him (he was born in 1927 so there a lot to his 'history').
Bon Voyage.