Burlap is the New Stripe Guide - The Witcher 3

Things aren't looking good for Geralt, as the Witcher has failed to protect Syanna, and so the Beast of Beauclair claims its fifth victim. This will lead into Burlap is the New Stripe in The Witcher 3: Blood and Wine, the final quest of the story if you failed to save Syanna. If you want to watch for any missables and ensure you pick the correct dialogue, then you can use this guide as a walkthrough, as there's no good ending to be had with this outcome.