Preparing for Legion

This is a video I came across that goes into detail about the requirements for raiding.  However, this person has put out videos with many aspects of the Legion release.  I do not recall any spoilers on this video.

https://www.youtube.com/watch?v=aWGQS1VReXc

In the comments there's a great spreadsheet listed that this guy is really just summarizing in his video.

Lots of detailed info:

https://docs.google.com/spreadsheets/d/1TiiI4huz4NXKfx7PGvvVTyP6xu8VaDNZ4-FEn69mOhc/pubhtml#

Thank you for sharing this!