Trapped In A Prism

One late night, one fateful accident, and one unforeseen consequence.
The culmination of a twisted fate, where death is escaped yet is later yearned for.
You break out of the confines of your own mind and enter a new prison.
It's metal, foreign, and shaped like a prism.
This is your fate, and this new life of yours is for you to keep.
So, forget about the past because whether you like it or not, it's permanent...