Should I Kill Silus for Dagon?
Kill Silus If You Just Wait Long Enough Without Answering Silus, His Nerve Will Break and He Will Attack You Instead. When You Kill Him, Dagon Will React the...
Can you get mehrunes razor without killing silus?
As far as I know there's no way to go back on your decision to spare Silus and get the Razor instead. If you're playing on PC, however, you can just give yourself the Razor with the console command player. additem 000240d2 1 . Killing Silus before or after doing so is optional.
Can you save silus Vesuius?
Try using a pacify spell. This means they will not attack for a while, making it easier to draw attention to yourself and save Silus. I think dremora are not immune to poisons. So hitting both of them with a paralize poison should freeze them and allow you to kill them without them hitting Silus.