Broken down, the word mythoclast means to break a myth. Or a piece of a myth. It also is believed to be from a future timeline where people are still fighting the vex, thus being fit to human hands. Fallen wire rifles don't apply arc burn damage in nightfalls. Hobgoblins won't stasis if you shoot them with a vestian dynasty. Accelerated coils reduce impact. Psions are a different species than cabal altogether. How they came to fight with the cabal is widely unknown. It is rumored Gorgon's use echolocation for the most part and vision for more detailed target finding. The lit caves, such as the one behind Atheon, can be found throughout Venus. Such as the nexus strike and the Venus crucible map. The glass triangle behind Atheon slowly forms as you complete the gatekeeper and Atheon. Becoming more realistic and geometrically stable looking. The vex have aren't against all life, as you can see plants everywhere you find the vex, accept Mercury.