Chapter 1: The Bird Escaped Its Cage

"No-clipping" refers to when a player moves through solid objects, like walls or floors, usually by using a cheat or glitch, allowing them to bypass normal boundaries and reach areas that are otherwise inaccessible.

(or for a more simple context incase some people don't get it, Elliot escapes Forsaken then got brutally tortured maybe physically but totally 100% mentally by author himself)

Yes I have discuss with the original author aka Elifsoftware and allow to post his work here. If you want to read the original work then follow this link:
https://archiveofourown.org/works/65257402/chapters/167878795