Gnosticism
A religious philosophy associated with Plato, which posits that the 'Geist' (spirit) is multi-layered and multidimensional, with Earth being the outermost shell, and the goal is to return to the Monad through knowledge.
Videos Mentioning Gnosticism

Secret History #4: How Evil Triumphs
Predictive History
A religious philosophy associated with Plato, which posits that the 'Geist' (spirit) is multi-layered and multidimensional, with Earth being the outermost shell, and the goal is to return to the Monad through knowledge.

The Best Kept Secret In History?: A Conversation with Brian Muraresku (Episode #346)
Sam Harris
A collection of religious ideas and systems that emerged in the first century AD among early Christian and Jewish groups, emphasizing direct, unmediated knowledge (gnosis) of the divine.

Brian Muraresku: The Secret History of Psychedelics | Lex Fridman Podcast #211
Lex Fridman
Ancient religious and philosophical systems with concepts of archons and chains of being from a divine source.