Answer Wiki. A RACI matrix, also known as: 'Responsibility assignment matrix', is a very powerful tool to ensure all roles in a company/process are aligned. By going through each process step (activity) you can appoint several responsibilities for each rol involved.
WATCH: Blake Lively Battles a Shark in Gruesome New Full-Length Trailer for 'The Shallows'. The 28-year-old actress shot most of the film without the help of a stunt double, but what's more impressive is that she shot at least part of the movie while pregnant with her and husband Ryan Reynold's second child!
I mean, when Lucifer kills someone, I have a feeling it's permanent. He's pretty powerful (even more than badass witch Rowena), so I'm betting Crowley will officially be burying (or burning or whatever he chooses) his mother. More: Supernatural: 7 Bobby and Rufus moments that need to be in Season 11. Plus, actress Ruth Connell (who played Rowena) tweeted up a storm during Wednesday's episode and some of her posts surely allude to Connell parting ways with both Rowena and Supernatural.