I did not make this route itself, rather, I copied it from zer0skar_i's WR VoD and put it into a spreadsheet. This is not a 100% comprehensive guide; you'll need to know general movement through areas as well as how to manipulate RNG.

(note: fullscreen on a 1080p monitor, you may want to drop the size of the sheet down to 90%)

https://docs.google.com/spreadsheets/d/18SN1VhS_H1BP89ZvvWbU7XmB-mGwhQF8jdF48Cx2E5Q/edit#gid=1054443259